English Mechanic and world of science

Ces revues ne font pas à proprement parler partie de ma collection. Je les ai trouvées dans un lot de revues d’information scientifique françaises de la même époque.

Tous ces numéros sont à vendre

Vol XLV
N°1150 - 8 April 1887

• ARTICLES :
  • A Screw-chasing Arrangement adapted to an Ordinary Foot Lathe
  • The Theory of Machines. - VI.
  • The Amateur Workshop. - XXXVI
  • The « Nori » Patent Vertical Multitubular Boiler
  • Steno-Telegraphy
  • Train Signalling Apparatus
  • Diet and Training
  • Striffler’s Patent Brake-Holder
  • Edison’s Experiments in Sea Telephone
  • Apparatus for Obtaining the Density of Solids
  • How to Eat Wisely
• Scientific News
• LETTERS (from 27045 to 27082) :
  • The Astronomical Directory of M. Lancaster — Endowment for Observation at Great Altitudes - A Great Telescope and a small Squabble - A Year’s Work at the U.S. Naval Observatory - Is Mind Material ? - Aperture and Magnifying Power - Kepler’s Third Law - Astronomy and Mathematics - Saturn - Surveyor’s Chain - Driving Clock for Telescope.
  • Saturn New Laboratory Tromp
  • Saturns Shadow - Encke’s Division - On the Proper Motions of Beta, Gamma,Delta,Epsilon, Dzeta Ursa Majoris, and Alcor - Astronomical
  • Hercules - The L.AS. Report - Testimony against the Rocks
  • Wimshurst Machine with Double Sectors
  • The Otter - A Good Word for« Ours » - A Handy Camera Indurated Fibre - A Libel on the Eskimos
  • Heat, Force, &c. - That Pressures are Dynamic Effects - On Primary Batteries and on Charging Accumulators from them - Medical Electricity - My Rupture Truss - Aqueous Vapour - Structure of Arachnoidiscus E.
  • Raising Water - Mandrels - Lathe Matters, very Various - Lathe Matters
  • Cutting Grooves - Niblett’s Screwing Apparatus - Colour - Blindness, and Ignorance of Colour Names - Railway Signal Lights - Brakes
  • The Brake Question - Odic Force - Electrical Therapeutics - Medical Electricity - Memorandum on Watches - Putty and Stopping - Scales in Drawing Offices
• Replies to Queries
• Unanswered Queries
• Queries (from 62157 to 62200)
• Answers to Correspondents
• Chess

N°1151 - 15 April 1887

• ARTICLES :
  • Petroleum and its Uses
  • Duplex Telephony
  • The Theory of Machines. - VII
  • Yarrow’s Guide - blade Screw Propeller
  • Fifty Years of Yacht - Building
  • Massey’s Patent vice
  • Witter’s Improved Bevel
  • Loss of Heat from Steam Pipes
  • On Nickel Plating
  • Portable Dark Tents
  • Varnishing Incandescent Lamps
  • The Action of Certain Waters on Lead Pipes
  • Physiological Action of Nitrous - Oxide Gas
  • The Making of Britain
• Useful and Scientific Notes
• Scientific Societies :
• Royal Astronomical Society
• Western Microscopical Club .
• Scientific News
• LETTERS (from. 27083 to 27114) :
  • Astronomical - Saturn - Is Jupiter Self-Luminous ? - The Aperture and Magnifying Power of Telescopes - Saturn - Observing Double Stars by Daylight
  • Amateurs’ Saw Table - Lathe Mandrels
  • The« Edmunds »Lathe Mandrel
  • Making Twist Drills - To« Country Parson » - Wenham’s Sorewing Apparatus - Scraps from my Workshop
  • The Star Hack-Saw - of Coils in Armatures - A Good Word for« Ours, »and Sundry other Matters - The Manufacture of Crystal Spheres - On Primary Batteries and on Charging Accumulators from them
  • Indian Kites - Optical Phenomenon - Metallic Sash-cord
  • Midland Engines, No. 30 Class - Some Express Runs I - Railway Brakes - Colour-Blindness and Colour Tests - Harbour Loans and Construction
  • Wimshurst Machine with Double Sectors - Odic Force - The Supernatural Darkness on the first Good Friday - Enlarging Holes - Aqueous Vapour
• Replies to Queries
• Unanswered Queries
• Queries (from 62201 to 62227)
• Answers to Correspondents
• Chess

N°1152 - 22 April 1887

• ARTICLES
  • The Hardening and Tempering of Steel
  • Battery Residues
  • Chromic-acid Compounds in the Battery
  • Reproducing Photographs in Printing Presses
  • The Theory of Machines. - VIII.
  • The Safety Saddle
  • Dryden’s Boring Machine
  • Orienting Objects in Paraffin
  • Varying Mitres
  • ’The Oxy-hydrogen Zirconia Light
  • Trees from a Sanitary Aspect
  • How to Keep Tools, &c in Condition
  • The Montaud Accumulator
• Scientific Societies : Liverpool Astronomical Society
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 27115 in 27155)
  • The Celestial « Mrs Harris » - A « Catastrophe » Happily Averted - The Eclipse of the Sun of August 19th - Meteoric Action on the Moon - Binocular Telescopes - Parabolic Reflectors - Nitrate of Silver Stains - The « Journal » of the Royal Microscopical Society - Observing Double Stars by Daylight - The Supernatural Darkness on the first Good Friday - Can Stars be seen in the Daytime from the Bottom of a Well ?Beta Leonis - Saturn - Saturn’s Outer Ring and Shadow, and Request.
  • The Dark Ring of Saturn - Selenographical - Mercator - Cleft near Hippalus - Agatharcides - Astronomical - Saturn - The Great Southern Comet
  • Star-drift in Pegasus and Aquarius - Is Mind Material ? - On Primary Batteries
  • Plates for Wimshurst’s Machine
  • A Simple Hygrometer - Medical Electricity - Portable Hand Dynamo - Aqueous Vapour - Incandescent Lamps - Pressures Dynamic Effects ? - Lathe Matters
  • Wenham’s Screwing Apparatus
  • Niblett’s Screw-cutting Apparatus - A Method of Cutting Racks - The Corrugated Chuck
  • A Lathe Planer for Five Shillings - The Shrinkage of Castings - Varnishing Cremona Violins - A Correction - Railway Brakes
  • Loose Joints of Rails on Railways - Railway-signal Lights - Colour-Blindness - The Aperture and Magnifying power of Telescopes - The Supernatural Darkness on the First Good Friday - Blowpipes - Crystals - Petroleum.
• Replies to Queries
• Unanswered Queries
• Queries ( from 62228 to 62268)
• Chess
• Answers to Correspondents

N°1153 - 29 April 1887

• ARTICLES
  • The Moon and the Weather
  • Reviews
  • Electric Locomotion
  • Astronomical Notes for May, 1887
  • Phillips’s Improved Mandrels
  • New Planer and Surface Gauge
  • The Medico-legal Aspects of Hypnotism
  • Zincography and Zinco Printing Plates
  • Mechanical Foolhardiness
  • Frankland’s Electrical Storage Battery
  • Diamond Ink for Writing on Glass
  • A New Mercury Pump
• Scientific Societies : Royal Meteorological Society
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 27136 to 27195) :
  • Uranus and Vesta - Errata - Visibility of the Great Comet of 1880 - Jupiter’s First Satellite - Notes on Nebulæ
  • Optical Phenomena - Nebula near Alpha Virginis - On Primary Batteries for Lighting - Massey’s (or Entwisle and Kenyon’s) Vice - The Catastrophe of 5,000 Years Ago
  • Some Express Runs II - Railway Speeds and Mythe - Express Trains - Continuous Brakes - Railway Brakes Suspended Fish - Plates for Rail Joints - Another Screw - chasing Apparatus - Lathe Mandrels
  • A Bell Chuck - The Standard Mandrel
  • Lathe Matters - Titanium Ore - Platinum in Filings - Butterine - Silica in Fluor Spar - Hardening and Tempering Steel - The Sextant and its Uses - Decay of Timber - Scraps from my Work-hop - The Woodturner’s Hand Planer
  • A Good Hand-drill - Chinese Paper Varnish - Medical Electricity - Electro-Plating - Gas-Tar Coating - Ammeter by Bottone - « Journal » of the Royal Microscopical Society
  • Dynamic Effects - Optical Phenomenon - Supernatural Darkness - Aqueous Vapour
  • The Supernatural Darkness of the First Good Friday - On the Laws, Reactions, and Construction of some Forms of Primary Batteries - On Magnetism and its Powers
• Useful and scientific notes
• Replies to Queries
• Unanswered Queries
• Queries (from 62269 to 62319)

N°1154 - 6 May 1887

• ARTICLES
  • An International Screw Thread
  • The Preparation of Phosphoric Acid
  • Gas-lighting by Electricity
  • New Uses for Coal-tar
  • On a New Photo-micrographic Camera
  • Ryder’s Automatic Microtome
  • A Good Record for a Turning Tool
  • Combination Tool for Squaring, Levelling , &c
  • How to make a Pocket Accumulator
  • The Hydrophone
  • The Thermopile and Secondary Batteries as a Convenient Means of Producing Electricity for Medical and Surgical
  • Batteries Oxalic Acid for the Separation of Various Metals
• Scientific Societies : ’Royal Microscopical Society
• Scientific News
• LETTERS (from 27196 to 27230) :
  • The Journal of the Royal Microscopical Society - Can Stars be seen in the Daytime from the Bottom of a Well ? - The Supernatural Darkness of the First Good Friday - Astronomy and Mathematics - Large Field Eyepiece - Gegenschein - Specific Gravity, the Sextant and the Sun - Lunar Clefts - Parochial Law - Telescope - Legal : Do as You are Tolled - The Great Lick Equatorial - White Patch on the Moon.
  • Aqueous Vapour and Steam - On the Laws, Reactions, and Construction of some Forms of Primary Batteries - New Form of Whetstone Bridge
  • Microscopical - Rock - crystal Spheres - Optical Phenomenon - Lathe Matters .
  • Lathe Screwing Apparatus - A Eye-inch Lathe Head - Twist Drill Making to « Country Parson » - Trigonometry to « E.L G. » - Niblett’s Screwing Apparatus
  • Iguana Skin - The Supernatural Darkness of the First Good Friday - Magnetic Unit - A Warning - The Sextant and its Uses - Some Express Runs III. - Brakes - Engine-Drivers’ Eyesight
  • The Breaking of Driving-axles - Design for Hot-air Engine - That Pressures are Dynamic Effects - A French Bath-heater - Literary Statistics
  • A Compress Pad - The Limelight - Slag Refuse
• Replies to Queries
• Unanswered Queries
• Queries (from 62320 ta 62374)

N°1155 - 13 May 1887

• ARTICLES
  • Popular Meteorology
  • Experiments with Artificial Vortices
  • Fletcher’s Improvements in Steam-raising and Water-heating
  • The Theory of Machines. - IX .
  • The Influence of Tea, Coffee, and Cocoa on Digestion
  • Death by Electricity
  • Safety Set-screw for Collars and Pulleys
  • A Screw Centre Chuck
  • Erhard’s Circulating Battery
  • Using the Grindstone
  • Card-mounted Flexible Glass Films
  • Electroplating Flowers and Insects
• Scientific News
• Useful and Scientific Notes .
• LETTERS (from 27231 to 27267) :
  • Nova Orionis (1885), &c. - A Bright Star seen at Mid-day from the Bottom of a Coal Pit - Stars from Bottom of Well - Posidonius
  • Journal of the Royal Microscopical Society - An Old Escapement - The Sex,ant and its Uses - A Workshop Knife - A Roomy and Comfortable Tent
  • Continuous brakes - N.E.R Express - A Remarkable Railway Collision
  • Some Express Runs IV - Rail-way Speeds - Workshop Scraps - Good Metal - The Catastrophe of 50 Centuries Ago
  • Niblett’s Screwing Apparatus - Lathe Matters - A Good Hand-Drill - Chasing Screws
  • Screw-cutting - Vertical Cutting and Drilling Frame Combined - The Edmund’s Lathe Mandrel
  • Varying Mitres - On Primary Batteries and on Charging Accumulators from them
  • Hardening and Tempering Steel - Theory of Periodic Inundations - Science and the Supernatural
  • Messrs. Schott and Co.’s New Optical Glass - Soldering
  • Burnt Air - Primitive Tools and Weapons - Aqueous Vapour and Steam - Short Sight
  • Designs for Hot-air Engine
• Replies to Queries
• Unanswered Queues
• Queries (from 62375 to 62409)

N°1156 - 20 May 1887

• ARTICLES
  • Electric Motors and Electric Railways
  • The Theory of Machines. - X.
  • Colouring Rubber Fabrics
  • Water-level Indicator for Steam Boillers
  • Newall’s Improved Machine Drill
  • Stanley’s Patent Artist’s Clinometer
  • Apparatus for Determining the Specific Gravity of Liquids
  • New Method of Fixing Sections to the Slide
  • Tool Carriages
  • The Bulb Mite
  • Papyrotint
  • Porous Pots for Batteries
  • The Electro-osteotome
• Scientific Societies :
  • Royal Astronomical Society
  • Liverpool Astronomical Society
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 27268 to 27306)
  • Erratum - Regulus and Sigma Orionis - Exposure of an Objectglass to Damp - Rhubarb - Geology of the Suffolk Coast - Dioptric Telescope - Sunspots - Projecting the Sun’s Image to Determine Personal Equation - Professor Abbe on Sunspots - Photographic Measurement of Stellar Parallax - A Correspondent who cannot let Well alone - Lunar Clefts - Huyghenian Eyepieces fer a 33in. Object-Glass - A Bad Objective - Trigonometry - Aplanatic Eyepiece
  • Nova Orionis - Astronomical - Stars Visible in Daylight - A Cure for Rheumatism - Science and the Supernatural - Theory of Periodic Inundations
  • Are there Periodic Inundations ? - Divisions of Human Nature
  • New Form of Wheatstone Bridge - Hot-air Engine - « Silke’s » Screwing Devices - Loss of Life at Sea - The« Punkah »or Wind-fan of India
  • Cardboard Plates for the Wimshurst Machine - Short Sight - A Device for Cutting Grapes - Hook Pools
  • Two Eclipses in One Day (Supernatural) - The Supernatural Darkness on the First Good Friday - Railway Brakes Brakes - Loose Joints of Rails on Railways - The Accident near Harringay Park - Norwegian Gimlets - Siemens’ Bathometer
  • The Edmunds Lathe Mandrel .
  • Standard Lathe Mandrel - The Lathe at Saltaire
  • The Essex Chuck - Counterbalancing Flywheel of Lathe - Jubilee Science - Aqueous Vapour - Burnt Air - Diatoms in The Thames - Diatoms - The Sextant and its Uses - Stars Visible from Wells - On the Laws, Reactions, and Construction of some Perms of Primary Batteries
• Replies to Queries
• Unanswered Queries
• Queries (from 62410 to 62457)
• Chess
• Answers to Correspondents

Vol XLVII

N°1207 - 11 May 1888 (ce numéro ne fait plus partie de ma collection)

• ARTICLES
  • Extracts from Bergeron - V
  • Microscopical Advances. - XXXVI
  • Coloured Photographs
  • Universal Cutting Machines, by the London Lathe and Tool Company
  • Langfield’s Method of Heating Trains
  • Sunter’s Improved Screws
  • Experiment, Illustrating the Principle of the Dynamo. - II
  • Gerlach’s Embryoscope
  • Machine Designing - II
• Useful and Scientific Notes
• Scientific Societies : Manchester Microscopical Society
• Scientific News
• LETTERS (from 28716 to 28739) :
  • The Stars in the Trapezium of Orion - Saturn
  • R Coronæ - Earth’s Motion - The Southern Heavens and Earthly Gradients - Flat Earth v. Round Earth
  • The Glacial Period and the Moon’s Water - Survival of the Fittest
  • Chemical Manure Making - Electric Alarum Clocks - Gravity Leclanché - The Samuel Morley Memorial Fund - Direct Transformers and Induction Coils
  • New Inductorium or Transformer : to Mr. Perren-Maycock - A Good Blowpipe - Turret Clocks - The Front-slide Lathe-bed - To « O. J. L » : Pole-lathe Spinning - High - speed Governors - Pure Mathematics
  • People’s Kitchens - Force and Energy to « F.R.A.S. » - The Angle of the Side of the Great Pyramid - Some Little-known Plants of the « Flora Medica »
• Replies to Queries
• Unanswered Queries
• Queries ( from 65266 to 65329)
• Answers to Correspondents

N°1208 - 18 May 1888

• ARTICLES
  • Practical Electric- Bell -Fitting. - XL
  • The Iron and Steel Institute
  • Willars’s Improved Spanners
  • Friction
  • The Mechanics of a Liquid
  • Improyed Primary Battery
  • Carmine Injection
  • Celloidin as a Microscopical Accessory
  • Mechanical Dentistry
• Scientific Societies :
  • Royal Astronomical Society
  • Astronomical Society of France
  • Western Microscopical Club
• Scientific News
• LETTERS (from 28740 to 28759)
  • O Tempera O Mores ! - The Lick Observatory - The Lunar Eclipse of 1888, Jan. 29th - A Modest Demand for a Star Catalogue - The Trapezium of Theta Orionis : Big v. Moderate Telescopes - Longitude in the Southern Hemisphere - Resenting a Definition of Force with too much Energy - The Terminology of Mechanical Science - Conversion of R.A and Dec. into Celestial Longitude and Latitude - Saturn - Mars
  • Chemical Manure Making - A Good Blowpipe - Some Little-known Plants of the « Flora Medica » - Pure Mathematics - Centre of Gravity - Cosines of Very Small Angles - The Bœhm Flute - Some Continental Organs - An Illusion Dispelled
  • The Continuous Brakes Return - Certificates for Enginemen - Turret Clocks
  • Pictorial Composition - Dynamo Brushes - Economical Press - The Glacial Period and its End
  • Flat Earth - Geometric Chuck - Model Gas-Engine
• Replies to Queries
• Unanswered Queries
• Queries ( from 65330 to 65388)
• Answers to Correspondents

N°1209 - 25 May 1888

• ARTICLES
  • Extracts from Bergeron. - VI
  • steward’s New Textile Threads
  • Astronomical Notes for June, 1888
  • Gearing. - XV
  • M . Boys’ Experiments with Soap Bubbles
  • The Crank’s Story
  • How to Catch and Preserve Moths and Butterflies
  • Details of Blacksmithing
  • Substitutes for Gum sand Rubber
  • The New Hydrocarbon Engine
• Scientific Societies : Royal Meteorological Society
• Scientific news
• LETTERS (from 28760 to 28783)
• Cheops and His Pyramid
  • The New Red Star near Alpha Cygni - A Mock Sun - Damoiseau - Turret Clocks - The Isosceles Triangle - Price’s « Universal » From slide and Ganting Head Lathe
  • Metal Spinning - Evolution
  • Survival of the Fitrest - Olive-Trees and the Deluge - Pictorial Composition - « Force » and « Energy » - The Organ in the First Presbyterian Church, Baltimore, M.D.
  • The Organ Builder : II. - Continental Organs - Some Little-known Plants of the « Flora Medica » .
  • Pure Mathematics - Mathematical Paradoxe - On Violins Universal Geared Cutting Frame - Certificates and Strikes - Alkali Manufacture by Electricity
• Replies to Queries
• Unanswered Queries
• Queries (from (5359 to 65437)
• Chess
• Answers to Correspondents

N°1210 - 1 June 1888

• ARTICLES
  • Microscopical Advances. - XXXVII
  • On the « E. M » and Other Telephones
  • Gearing. - XVI.
  • Vian’s Electro-Motor
  • A Rotary Tool Post
  • Experiments Illustrating Chemical Chemical and Physical Change
  • Raub’s Thermo-Electric Battery
  • The Uses of glycerine
  • Personal Identification and Description
  • Eder’s Orthochromatic Collodion Emulsion
  • in Improved Form of Gas Apparatus
  • Testing Lenses
• Scientific Societies :
  • Liverpool Astronomical Society
  • Royal Microscopical Society
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 28784 to 28810) :
  • The Soirée of the Royal Society on May 9th - Converting B.A end Dec. into Longitude and Latitude - The American Nautical Almanac - The Zodiacal Counterglow - An Attempt to Comet too b - A Questionable Way of bringing Doubters Round - Evolution - Simple Weighing Machine - Distorted Image of Sun in Sextant - Dialling : Led Worse by Lead better - Force and Energy - Mathematical Paradoxes
  • Mars - Jupiter - Conjunction of Jupiter - The Afterglow - Continental Organs - Water - Wheels and Turbines - TurretClock Making
  • The Entelechiascope - A Very Old Force in the Guise of a New Motor - Dynamo Brushes - Hints to Inventors
  • A Flat Earth Impossible - Flat Earth - The Isosceles Triangle - « Force » and « Energy » - Organs - Evolution - Space of Four Dimensions
  • Impossibility of Mankind being Derived from One Common Ancestor - Evolution - Olive Trees, and Extinction of the Fittest - Nature of Molecules
  • Suction and Forcing Fans - The Railway - Signal Returns - Geometric Chuck
  • Price’s Universal Lathe - Some Little-known Plants of the « Flora Medica » - Apocryphal Organs - The Bœhm Flute : II.
• Replies to Queries
• Unanswered Queries
• Queries (from 15438 to 65495)
• Chess
• Answers to Correspondents

N°1211 - 8 June 1888

• ARTICLES
  • Practical Electric- Bell - Fitting. - XII.
  • Photography in Colours
  • The Omni-Telemeter
  • Gearing. - XVII
  • Improvements in Induction Coils or Transformers
  • Rickinson’s Self-fixing Castors
  • Bleaching Ivory, Bone, and Feathers
  • The Greenwich Visitation
  • A Home-made Incubator
  • Earthquakes, and How to Measure Them
  • Diphtheria and Mould Fungi
  • Experiments in Static Electricity with the Incandescent Lamp
  • Details of Blacksmithing
  • Cole’s Self-Inking Printing Press
• Scientific News
• LETTERS (from 28811 to 28838) :
  • In Search of a Government Grant - Jupiter - The Comet - Tables for Conversion of Sun’s Longitude into Right Ascension - A Rejected Process
  • Cape Colony and Emigration - « The Organ of the Future » - Water-Wheels and Turbines
  • Propulsion of Steamships - Compensated Pendulum - Impossibility of Mankind being Derived from One Common Ancestor
  • Evolution - Price’s Universal Lathe
  • Lathe Matters - The Pyramid Angles - Some Little-known Plants of the « Flora Medica » - Dynamo Brushes - Locomotives : Craven’s « Improved » - « F.R.A.S. » and the Scriptures - A Very Old Force in the Guise of a New Motor - « The Entelechiascope » - Turret-Clocks - Steam Boilers - Pure Mathematics - Mathematical Paradoxes - Logic and Mathematics - Mr. Dyer’s Diagram of the Earth - « E.L.G.’s »Deluge
  • Alternate Submergences of North and South - The Solar - System Molecule
• Useful and Scientific Notes
• Replies to Queries
• Unanswered Queries
• Queries ( from 65496 to 65568)
• Chess
• Answers to Correspondents

N°1212 - 15 June 1888

• ARTICLES :
  • Extracts from Bergeron - VII
  • Softening and Purifying Water
  • Improved Process of Tinning
  • Instantaneous Shutters
  • Electrical Influence Machines
  • Soap-Bubble Solutions and a Slide for Observing SoapBubble Films
  • Steam between Scraped Surfaces : Brandon’s Piston Packing
  • Something about Reamers
  • Decomposition of Water and Absorption of Carbon Dioxide by Caustic Soda
• Useful and Scientific Notes
• Scientific Societies : Royal Astronomical Society
• Scientific News
• LETTERS (from 28839 to 28868) :
  • Greenwich in the Rear in the Photographic Rare - In Search of a Government Grant - Tables for the Conversion of the Sun’s Longitude into Right Ascension - « F.R.AS. »and the Scriptures - Red Sky at Sunset - Old Telescopes
  • Sawerthal’s Comet - The Comet of 1760 - Mars - Occultation of a Star by Jupiter - Converting Sun’s Longitude to Right Ascension - Price’s Front - slide Lathe - Model Gas-Engine
  • The Front-slide Lathe - Internal Gear for Lathe - Lathe Matters : Substitute for Back - gear - Object-Glasses and other Matters
  • Compensated Pendulums and Turret Clocks - Turret-Clocks - Pure Mathematics - Some Little - known Plants of the Flora Medica - The« Liverpool »Locomotive - An Ancient Railway Ticket - Non - Miraculous Geology
  • The Chemist not a Creator - Impossibility of Mankind being Derived from One Common Ancestor - Evolution - Noah’s Deluge
  • Nature of Molecules - A Laughing Plant - Zinc Tubes for Compensated Pendulums - Propulsion of Steamships
• Replies to queries
• Unanswered Queries
• Queries ( from 65569 to 65636)
• Chess
• Answers to Correspondents

N°1213 - 22 June 1888

• ARTICLES :
  • Practical Electric- Bell -Fitting - XIII
  • D^r. Vogel’s Isochromotic Plates
  • Improvement in Dynamos
  • Experiment in Capillary Attraction
  • Foundry Cupolas
  • Protection of the Human Body from Dangerous Currents
  • An Automatic Still
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 28869 to 28901) :
  • Comet Sawerthal - Occultation of a Star by Jupiter
  • The Chemist not a Creator - Bible Readers - Evolution - Whitewash - Leona Dare - Genesis and its Meaning - Evolution : a Disclaimer - Soda Crystals v. Soda Ash - Blast Furnaces
  • Evolution - Problem in Maxima and Minima - Mathematical Paradoxes
  • A Mathematical Puzzle - « E.L.G. » on « Non-Miraculous Geology » - Cheops’ Pyramid - Pure Mathematics - FourDimensioned Space - Genesis and Science - An Organ - Science v. Philosophy, Ancient and Modern - Organs and Organists
  • Joseph Jewsbury’s Differential Back Gear - Spar-Working - Focusing Motion - Object-Glass Working
  • A Laughing Plant - Some Little-known Plants of the Flora Medica - Turret Clocks - How to Live for Ever
  • The Bœhm Flute : III. - Fan Ventilation of Mines .
  • The Stoat - Nature of Molecules - Water - wheels and Turbines - Induction Coils - Thunderstorms and Lightning Accidents - Propulsion of Steamships - Occultation of a Star by Jupiter - Safety Rear - Drivers .
• Replies to Queries
• Unanswered Queries
• Queries (from 65637 to 65691)
• Chess
• Answers to Correspondents

N°1214 - 29 June 1888

• ARTICLES
  • Extracts from Bergeron - VIII
  • Improvements in Transformers
  • Astronomical Notes for July, 1888
  • Protection of Buildings from Lightning - I
  • Practical Details of Punch Work
  • Platinum Printing without Development
  • Technical Instruction : the Professor and the Student
• Scientific Societies : Royal Meteorological Society
• Scientific News
• LETTERS (from 28902 to 28937) :
  • Encore the Afterglow - Making a Telescope - The Conjunction of Jupiter and Beta Scorpii on May 21st - Astronomical Eyepieces - Focal Length of Specula - The Meteorite Theory shown to be Meteor Wrong - The Draper Memorial Fund : Stellar Spectra - A Public house on Mount Hamilton - Tables for Converting Latitude and Longitude into Declination and Right Ascension - Derivation of Man from Several Uncommon Ancestors - Noah’s Archetype of the Great Eastern - Diameters of the Fixed Stars - Natural History Divisions - Work on Entomology - Genesis and its Meaning - Evolution - Problem in Maxima and Minima - What is the « Fittest » ? - Reality of the External World - Transit
  • Safety Lamps - The Fatal Thirteen - How to Live for Ever - Pure Mathematics - The External World
  • Object-Glass Matters - Price’s Universal Front-slide Lathe
  • Lathe Matters - Internal Gear for Lathe - The Glacial Period and its Cause - Noah’s Flood an Accident
  • Creation in Genesis not too Plain - Evolution
  • Evolution : Ancient Philosophers - Evolution : Erratum - Blast Furnaces - Soda Crystals v. Soda Ash - The Chemist not a Creator
  • Problem in Maxima and Minima - A Mathematical Puzzle - The Four Dimensions Vagary - Neglect of Logical Exactness - Mistakes - Space of Four Dimensions - Evolution and the Bible - Turret Clock - making
  • The Square Root of - 4 an Impossible Quantity - Polishing Calc-spar - A Laughing Plant - Leona Dare - The Term « Trace » in Solid Geometry - Nature of Molecules - How to Live for Ever - Methylated Spirits : a Caution - Some Little-known Plants of the Flora Medica
  • The Otter Domesticated
• Replies to Queries
• Unanswered Queries
• Queries (from 651392 to 65746)
• Chess
• Answers to Correspondents

Vol XLVIII

N°1232 - 2 November 1888

• ARTICLES :
  • Electric-Bell Construction. - IV
  • Electric Lighting and Electric Street Railways
  • Mower’s Secondary Battery
  • The « Fumoperpurgans » Pipe
  • Cheap Apparatus for Generating Sulphuretted Hydrogen
  • Gallagher’s Tricycle
  • A Pocket Camera
  • Photographic Engraving on Glass, and ether Applications of Fluorine in Photography
  • Making Wheels
  • A Device for Cutting Racks
  • Arsenic in the Home
• Scientific Societies : Royal Microscopical Society
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 29353 to 29377) :
  • An Areographical Mare’s Nest - New Catalogue of Variable Stars - Scintillation and Astronomical Refraction - Aurora Borealis - Planispheres - Conversion of Declination and Hour Angle into Altitude and Azimuth - The Physical Aspect of Jupiter - The Earth’s Interior - Large Equatorial Stand - The Belgian Royal Observatory - The First Rift in the Mount Hamilton Lute
  • The November Meteors - A Large Meteor - Vaccination juggling with Statistics
  • Homœopathy : to W. J. Grey - Cyanide of Mercury and Diphtheria - Joe in the Bottle - « Who Invented the Camera ? » - Clock Trains
  • Primitive Industry - Amphipleura pellucida - Substage Condensers - Bacillaria Paradoxa and other Diatoms - « True versus False Images in Microscopy » and Pleurosigma Angulatum
  • Pancratic Eyepieces - Food Reform - Chest Types - Vipers and their Bites - The Serpollet Serpollet Léon Serpollet (1858 - 1907) était un ingénieur mécanicien français. Après avoir inventé un nouveau modèle de générateur de vapeur, il l’exploite dans des engins aussi variés que tricycles, automobiles et tramways. Il fut élevé au rang de Chevalier de la Légion d’Honneur. Generator - The Evolution
  • Question : Why I am Collecting Facts ?
• Replies to queries
• Unanswered Queries
• Queries ( from 66843 to 66908)
• Chess
• Answers to Correspondents

N°1233 - 9 November 1888

• ARTICLES :
  • Microscopical Advances : XXXIX
  • Reviews
  • Photographic Films
  • Octave Coupler for Pianoforte
  • Tools for Turning Straight and Taper in the Lathe
  • Soli’s Windmill
  • A System of Worm Gearing of Diametral Pitch
  • Alloys. - III
  • Apparatus for Fractional Distillation in Vacuum
  • Scientific Facts and Fancies
  • Foundry Work
• Scientific News
• LETTERS (from 29378 to 29394) :
  • Theta (1) and Theta (2) Tauri - Nova Orionis - Comet Barnard Zodiacal Light : to « F.R.AS. »
  • The Great Lick Telescope
  • Twist of Trees - Finding the Latitude and True Meridian - Vertical Slide to Lathe - joe in the Bottle - Vaccination
  • Balloons - Who Invented the Camera ? - Equatorial Stand
  • Astro-Eyepiece Adjustment - The Amphipleura pellucida - To « A Learner » - A New System of Agriculture - Brain Pictures
  • South-Western Locomotive : No. 348 - Food Supply v. Population - Clock Trains
• Replies to Queries
• Unanswered Queries
• Queries (from 66909 to 66977)
• Chess
• Answers to Correspondents

N°1234 - 16 November 1888

• ARTICLES
  • Extracts from Bergeron (Vol. II.) - XVI
  • The Use of Aluminium Alloys
  • McKellen’s Detective Camera
  • Pratt’s Electro - Therapeutic Belt
  • Alloys - IV
  • Cheap Carbons for Batteries
  • Practical Details of Blacksmithing
  • Little’s Combination Gauge
  • How to Prove that the Earth Turns
• Scientific Societies : Astronomical Society of France
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 29395 to 29415) :
  • Changes on Mars - Utilisation of Celestial Photography - Classification of Variable Stars - Astronomical Terminology - Perimeter of Oval - Measuring Distances - « Mene huio Cenfidere Monstro ? » - The Astronomy of the Times
  • Astronomical - Microscopical : the Back of the Objective and the Condenser
  • Structure of a Diatom Valve - Propulsion of Ships - Primitive Industry - Blacksmithing - Vaccination
  • Vaccination : Juggling with Statistics - Bicycles
  • Brain Pictures - A New System of Agriculture - Continuous Brakes - Hutchinson’s Vertical Slide - Lathe Head
  • Clock Trains - Daniell Cells as a Source of Electricity for Small Installations of Electric Light
  • Chest Types - Beri-Beri
• Replied to Queries
• Unanswered Queries
• Queries ( from 66978 to 67036)
• Chess
• Answers to Correspondents

N°1235 - 23 November 1888

• ARTICLES
  • Microscopical Advances : XL
  • The Production of Oxygen and Nitrogen from the Atmosphere
  • Gearing. - XXV
  • Parkinson’s Parallel Vice
  • The Magic Chain
  • Faure’s Improved Secondary Battery
  • Tool Lifter for Planer
  • Hanley’s Compound Rotary Motion
  • Phenomena of Magnetic Propagation
• Scientific Societies : Royal Astronomical Society
• Scientific News
• LETTERS (from 29416 to 29438) :
  • Changes on Mars - The Astronomy of the Times - A Cheap Observatory
  • Vaccination : Joggling with Statistics
  • Vaccination - The Bœhm Flute : IX. - Organ Matters
  • Stocks and Dies - Propulsion of Ships and Boats - The Accidents at Dinting Junction - Accidents to Platelayers - A Simple Correction for Curvature of Image
  • Structure of a Diatom Valve - Objectives - Penetration - November Fogs - A New System of Agriculture - A Brilliant Experiment - Heat and Fat - Some Little - known Plants of the « Flora Medica »
  • A Spark from the Human Body
• Replies to tueries
• Unanswered Queries
• Queries (from 67037 to 67097)
• Chess
• Answers to Correspondents

N°1236 - 30 November 1888

• ARTICLES :
  • Electric-Bell Construction. - V
  • Rickinson’s Billiard Table Adjuster
  • Astronomical Nota for December, 1888
  • Electro-Motors : how Made and how Used. - T
  • Cutlan’s Tool for Spiral Turning
  • Sparking in Dynamos
  • Gas Enriching Apparatus
  • Experiments in Superficial Tension
• Scientific News
• LETTERS (from 29139 te 19456 )
  • The Late Mr. Rand Capron - Perimeter of Oval : Eccentric Mensuration - Formula for Finding T - Hour Angle - The Structure of the Stellar Universe - Rule Britannia - Echo - The Swell-Box and Organ Matters
  • Vaccination : Joggling with Statistics
  • Clock Trains, Tide Hand, and Striking - November Fogs - Propulsion of Ships and Boats - Microscopic Objectives Penetration
  • A Spark from the Human Body - A Stupid Rattlesnake - L. and S.W.R. Locomotives - Leather and Cotton Belts - Low Angle Lenses : to Mr. Nelson - Permanent Way
  • « joe in the Bottle »
• Useful and Scientific Notes
• Replies to Queries
• Unanswered Queries
• Queries ( from 67098 to 67163)
• Chess
• Answers to Correspondents

N°1237 - 7 December 1888

• ARTICLES
  • Extracts from Bergeron (Vol. II.) - XVII
  • Hosken’s Draw - Bar Hook and Coupling
  • Extracting Broken Screws
  • Designing Dynamos and Motors
  • Practical Details of Blacksmithing
  • A Month on Meal and Water
  • Scientific Recreations
  • Bookbinding
  • Howard’s Centring Apparatus
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 29457 to 39475) :
  • « Nova » Orionis - Barnard’s Comet (e 1883) - Microscope Objectives - Penetration - Bull’s - eye Condenser and Mirror (67151) - High v. Low Apertures in Microscope Objectives
  • Vaccination : Juggling with Statistics
  • Vaccination - Propulsion of Ships and Boats - Primary Batteries for Incandescent Lamps - Domestic Electric Lighting - « joe in the Bottle »
  • Clock Trains - Jinman’s Law of Storms - A Laths Packing - Gauge
  • The Home Manufacture of Cameras - The Temperature of November - November Fogs
• Replies to Queries
• Unanswered Queries
• Queries (from 67164 to 67234)
• Chess
• Answers to Correspondents

N°1238 - 14 December 1888

• ARTICLES
  • Notes on the Concert-Room Organ : XI
  • Electro-Motors : how Made and how Used. - II
  • Magic-Lanterns
  • D^r. Crookes’s Method of Treating Auriferous Ores
  • The Influence of Chemical Composition on the Strength of Bessemer-Steel Tires
  • Manufacture of Russian Sheet Iron
  • An Improvement in Milling Cutters .
• Scientific News
• LETTERS (from 29476 to 29494) :
  • Finding a Star from its Co-ordinates - Local Time of Transit of the Pole Star - Comet v. Cab-horse - Formula for Finding Hour Angle - Supposititious Telescopic Power - Angular Aperture - Adjusting an Equatorial - Catalogue of Variable Stars - Jinman’s « Law » of Storms - Diatoms in the Thames Estuary .
  • Domestic Electric Lighting - Primary Batteries for Lighting - Clock Trains - Double Roller Escapement - Cuckoo Clock : to « E.L.G. » - Permanent Way
  • Recent Accidents and Continuous Brakes - A Suggestion - Propulsion of Ships and Boats
  • Cheap Taps - Microscope Objectives : Angular Aperture - « joe in the Bottle » - Silver-Plating
  • Marionettes
• Replies to Queries
• Unanswered Queries
• Queries (from 67235 to 67304)
• Chess
• Answers to Correspondents

N°1239 - 21 December 1888

• ARTICLES :
  • Microscopical Advances : XLI
  • Improvements in Dyeing a Fast Black
  • Screw - Pitch Threads and Terms used to Describe them
  • A Simple Spectroscope
  • Simple Experiments in Physics
  • On Science as a Recreation
  • Curious Optical Illusion
  • A New Pullman Car Train
• Useful and Scientific Notes
• Scientific Societies :
  • Royal Astronomical Society
  • Astronomical Society of France
• Scientific News
• LETTERS (from 29495 to 29510) :
  • The Lick Telescope : to Mr. Brashear - The Moon’s Albedo
  • Cords and Pulleys v. Gearing - A Microscopist’s Table - The History of a Young Rotifer - A Month on Meal and Water - Sparks from the Human Body - Clock Trains - Primes
  • Propulsion of Ships and Boats - Marionettes - Shoemaking : I.
  • The Bœœhm Flute : X. - Aeronautics
  • Conservation of Energy - Silver - Plating : II.
• Replies to Queries
• Unanswered Queries
• Queries (from 67306 to 67357)
• Answers to Correspondents

N°1240 - 28 December 1888

• ARTICLES :
  • Extracts from Bergeron (Vol. II.) - XVIII
  • The « Sundale » Twist-Drill Grinder
  • Gearing. - XXVI
  • Astronomical Notes for January, 1889
  • Engraving with the Sand-Blast
  • Simple Experiments in Physics
  • Friction of Loco. Slide-Valve
  • A Gas-Tar Garden
  • A Petroleum Rocket Boat
  • A Perfect Substitute for Glass as a Support for Gelatine Bromide of Silver for use in Photography
  • Practical Details of Blacksmithing
• Scientific Societies : Royal Meteorological Society
• Scientific news
• LETTERS (from 29511 to 29521) :
  • Errata - Jinman among the Prophets - The Lick Observatory and its well - advertised work - Finding the Cubic Capacity crf Variously - shaped. Vessels - Detection of New Nebulæ by Photography - Mr. Roberts’s Photograph of 31 M Andromedæ - The Coming Solar Eclipse - The New Astronomer Royal for Scotland - The Moon’s Albedo - Light - Eyepieces for 3in. Object-Glass - « The Companion to the Observatory » - Domestic Electric Lighting .
  • The Sinus Iridum - Inflation of Balloons - Aeronautics - Apparatus for Stopping the Loom when the Warp Threads are Broken - To keep Infusoria and Rotifera Alive
  • A Month on Meal and Water - Shoe-Making : II. - Conservation of Energy - Extracts from Bergeron
  • Propulsion of Ships and Boats - Couples as Applied to Engines - Clock Trains
• Replies to Queries
• Useful and Scientific Notes
• Unanswered Queries
• Queries (from 67359 to 67387)
• Chess
• Answers to Correspondents

N°1241 - 4 January 1889

• ARTICLES
  • Electric- Bell Construction. - VI.
  • The Progress of Astronomy in 1883
  • Photo-Micrographic Apparatus
  • Gearing - XXVII
  • Lightning and its Effects
  • Simple Experiment. in Physic’s
  • On a Compensating Pendulum
  • Weston’s Apparatus for Utilising Solar Radiant Energy
  • Heating Steel
• Scientific Societies : Royal Microscopical Society
• Scientific News
• LETTERS (frees 29535 to 89544) :
  • A Remark as to the Foundation for some Astronomical Data - Triple Eclipses of the Sun by Jupiter’s Third Satellite - The Sinus Iridum
  • Ivory Cutting - Nature of Molecules - Clock Trains : to « J.K.P. » - Pendulam - Aëronautics
  • Yttria - A Month on Meal and Water - Medway - Diatoms - A Powerful Occasional Battery - The Laws of Storms - Home Manufacture of Cameras. A Popular Explanation of Interference-Phenomena - Conservation of Energy
  • Shoe-Making : III. - Lathe Matters
• Replies to Queries
• Unanswered Queries
• Queries (from 67388 to 67453)
• Answers to Correspondents
• Chess

N°1242 - 11 January 1889

• ARTICLES
  • Microscopical Advance - XLII
  • Electro-Motors : how Made and how
  • Modern Beer
  • Binn’s Tubular Pneumatic Action for Organs
  • Gas from Liquid Fuel
  • The Parachute and Atrial Engineering
  • Recent Advances in the Chemistry of Alkaloids
  • On the Absolute Vacuum as a Non-Conductor of Electricity, and the Important Bearing of the Fact upon Electric Theories
  • Simple Experiments in Physics
  • The Future of food
  • New Mixture for Separating Carbon from Pig-Iron, Steel, &c.
• Scientific News
• LETTERS (from 29515 to 2565).
  • Local Time of Transit of the Pole Star - Retrograde Orbits of the Satellites of Uranus and Neptune - The Laws of Nature - Position of the Vernal Equinox - The Structure of the Sidereal Universe - Grass on Gravel Walks and Macadamised Roads - Model - Engine Making
  • Some Astronomical Data - Posidonius - Sinus Iridum - Astronomy and the ENGLISH MACHANIC- The Path of the Moon for January - Propulsion of Ships and Boats and Lard Engines - Shoe-Making : IV
  • To G. H. Hurst (Letter 29543, p. 381) - Microscopic - An Improved Camera Obscura Lathe Matters
  • Jinman’s Law of Storms - Clock Trains - The Organ - Builder : IV. - A Popular. Explanation of Interference Phenomena
  • Aëronautics - Wetting Saws - Some Little - known Planta of the Flora Medica - On the Anhydrous Determination of Minerals - Natural Electricity
• Useful and Scientific Notes
• Replies to Queries
• Unanswered Queries
• Queries ( from 67454 to 67528)
• Chess
• Answers to Correspondents

N°1243 -18 January 1889

• ARTICLES
  • Practical Electrical Testing. - I
  • Spong’s Patent Gas Utiliser
  • Gearing. - XXVIII
  • Siemens’ Tubular Steel Chains
  • Currie’s Illuminating and Lubricating Oils
  • The Compound Principle as Applied to Locomotives
  • Acton’s Pressure Regulator
  • The Indian Basket Trick
  • Wright’s Novel Primary Battery
  • Simple Experiments in Physics
  • A Conical Drum Windlass
• Scientific Societies : Royal Astronomical Society
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 29566 to 29582) :
  • The Path of the Moon for January - Lunar Objects - Position of the Sun at the Vernal Equinox - Large Telescopes - Shoe-Making : V. - To « Jock of all Trades »
  • The Bœhm Flute : XI. - Inflation of Balloons - ærial Engineering - Light : Visibility of Objects, Colour and Phosphorescence
  • Pathogenetic Effects of Vaseline - Coal Gat Battery : Electrical - Micro - Photography - Propulsion of Ships:and Boats and Land Engines - Clock Trains - Acoustics
  • The Home Manufacture of Cameras
• Replies to Queries
• Unanswered Queries
• Queries (from 67519 to 67579)
• Chess
• Answers to Correspondents

N°1244 - 25 January 1889

• ARTICLES :
  • Microscopical Advances - XLIII
  • Woodruff’s Method. of Screw Propulsion
  • Triple Dissolver for Magic Lanterns
  • Beard’s Patent Automatic - Regulator for Gas-Cylinders
  • Armb’s Fastenings for Bolts and Nuts
  • Genius and Ill-health
  • The Amphitrite
  • Simple Experiments in Physics
  • Testing Triangles and Squares
• Scientific Societies : Royal Meteorological Society
• Useful and Scientific Notes
• Scientific Notes
• LETTERS (from 29583 to 29599) :
  • Light - Astronomical Telescope - ’The Indian Basket Trick - Ostrich and Emu Eggs - Adjusting a Transit Instrument in the Meridian
  • Alpha Orionis - Lunar Eclipse - Beta Leonis - « NOVA Orionis » - U Orionis - Zodiacal Light - Dimension, of tho Jovian System - Duration of Tricentral Total Eclipses of the Sun by Jupiter’s Third and Fourth Satellites - The Ratio of Silver to Gold
  • The Organ - Builder : V. - Coal. Gas Battery - The Binomial Theorem - Motion of Rotifora after (Death ?) - Shoe-Making : VI
  • Batteries for Bells and Lights - Preventing Crutches Slipping - Some Little-known Plants of the Flora Medica
  • Compound Goods Loco. for the G.E.R. - Propulsion of Ships and Boats - Sour - Kraut
• Replies to Queries
• Unanswered Queries.
• Queries (from 67556 to 67687)
• Chess
• Answers to Correspondents

N°1245 - 1 February 1889

• ARTICLES :
  • Notes on Nebulæ. - X
  • Cleansing Cloth and other Fabrics
  • Phipps’s Reflecting Cameras
  • Astronomical Notes for February, 1189
  • Making Corliss Engine Cylinder Patterns. - I.
  • The Positive Cyanotype Process
  • Simple Experiments in Physics
  • Colds and Clothing
• Scientific Societies : Royal Microscopical Society
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 29600 to 29617) :
  • Comet Brooks 1 of 1889 - U Orionis - Lunar Objects - H IV. 73 - Coil - Making Practically Considered .
  • Light : Visibility of Objects, Colour and Phosphorescence Sauer - Kraut - Bimetallism
  • Selenographical : the Sinus Iridum, &c. - Adjusting a Transit Instrument in the Meridian - On the Action of Bisulphuret of Carbon in a Plating Solution - A New Depolariser - Clock Trains
  • Home Manufacture of Cameras - Coal-Gas Battery - Inflation of Balloons - The Binomial. Theorem - Paraffins - Reproduction of Diatoms
• Replies to Queries
• Unanswered Queries
• Queries (from 67648 to 67716)
• Answers to Correspondents
• Chess

N°1246 - 8 February 1889

• ARTICLES
  • Extracts from Bergeron (Vol. II.) - XIX
  • Electro-Motors : how Made and how Used. - IV.
  • Gearing. - XXIX.
  • Drenckhan’s Method of Condensing Milk
  • Brion’s Screw-Cutting Die
  • Boring Cylinder, with the Bar out of Line
  • Liquid Fuel for Locomotives
  • The New Gibson Storage Battery
  • Experiments in Capillary Force
• Scientific Societies : Astronomical Society of France
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 19618 te 29635),
  • Dimensions of the Jovian System - Radiation and Convection of Heat - Dimensions of the Planets, as Affected by a Change - in the Solar Parallax - Transita of Venus and the Earth’s Concurrent Motion - Circular Planetary Orbits - The Equation of Tinte : the Earth’s Orbit - Field - lens for an Eyepiece for a 61/2in. Speculum - The Solar Eclipse of January lot - Adjusting a Transit Instrument in the Meridian. - Mensuration - The Origin and Distribution of Comets - Scintillation
  • Mercury Visible to the Naked Eye - Dimensions of the Jovian System - Zodiacal Light - Archimedes - Jinman’s « Law » of Storms - Some Little - known Plants of the Flora Medica - Simple Apparatus for Showing Difference Magnetically between Iron and Steel
  • A New Battery - A Suspension Treadle - The « Sacred Orifice » and the Running Centre
  • Rose Engines - To « F.A.M. » and Others - Batteries for Small Installations - Gas Batteries
  • Organ Matters - Tone Colour
  • Silence Caused by Sound - Vapour - Engine for Tricycle - Propulsion of Ships, Boats, and Land Engines
• Replies to Queries
• Unanswered Queries
• Queries (from 67717 to 67782)
• Answers to Correspondents.
• Chess

N°1247 - 15 February 1889

• ARTICLES :
  • Practical Electrical Testing. - II.
  • A Model Locomotive
  • The Decoration of China, Glass. &c
  • Schneider and Co.’s Improved Method of Tempering Steel
  • Practical Details of Blacksmithing
  • Simple Experiments in Physics
  • Clamond’s Button Telephone
  • Substances Liable to Spontaneous Combustion
  • Lummer’s Photometer
• Useful and Scientific Notes
• Scientific Societies :
  • Royal Astronomical Society
  • Western Microscopical Club
• Scientific News
• LETTERS (from 29636 to 29651) :
  • The Satellite of Algol - Saturn’s Satellites,Lunar Objects, &e. Concerning a Sensitive Flame - The Expansion of Implicit Functions - Anhydrous Analysis : II. - Boron Trioxide Thermochromatism
  • The Bœhm Flute : XII. - Light : the Conversion of Heat into Light - Chinese Screw - cutting Lathe
  • The « Sacred Orifice » and the Running Centre - Propulsion of Ships, Boats, &c. - Slip
  • Propulsion of æronautic Apparatus - The Odours of Animals - Winter Egg in Stephanoceros - The Phonographic Shorthand of the Future - A Suggestion - Electro-Motors : how Made, &c. : Errata
• Replies to Queries
• Unanswered Queries
• Queries ( from 67783 to 67851)
• Chess
• answers to Correspondents

Vol XLIX

N°1260 - 17 May 1889

• ARTICLES
  • Electric-Bell Construction. - X.
  • The Intensity of Telephonic Effects
  • Herbert’s« Eclipse »Patent Changing Back and Detective Camera
  • Whitney’s Improved Treadle Mechanism
  • Patent Safety Watch Bow
  • Some Uses of the Yielding of Metal to Pressure
  • The« National »Open-Circuit Battery
  • Smith’s Electric Meter
• Scientific Societies :
  • Royal Astronomical Society
  • Astronomical Society of France
  • Western Microscopical club
• Scientific News
• LETTERS (from 29928 to 29948)
  • The City and Guilds of London Institute - The White Spot on Saturn’s Rings - The Meteoritic Theory and« F.R.AS. »- Velocity in Elliptic Orbit - The Planet Mars - The Corona, the Zodiacal Light, and the Aurora - Phrenology - The Mass of a Binary Star - Areas of a 25in. Object-Glass and of the Pupil of the Eve
  • Venus - 34 Boötis - R Coronæ - U Orionis - The White Spot on Saturn’s Ring
  • Venus - Astronomical - The Moon’s Albedo, &c. - An Old American Locomotive
  • Organ Matters : General Design in its Relation to Tone - Colouring - Organ Nomenclature - Hydraulic Organ Blower : Water Motors - Rose Engines - Ornamenting Irregular Surfaces - Cutter - Bars
  • The Haydon Bar - Geometrical Lathes - Rose Engines - Wagner’s Universal Rose Engines - Amateur Glass - Blowing
  • joe in the Bottle - Pseudoscorpionidea : Chelifer - Perspective Drawing - Fresh Eggs
• Replies to Queries
• Unanswered Queries
• Queries (from 68628 to 68687)
• Chess
• Answers to Correspondents

Vol XLIX

N°1265 - 21 June 1889

• ARTICLES
  • Electric-Bell Construction. - XI.
  • A Model Locomotive. - X.
  • Improvements in Pneumatic Machines
  • The Paris Exhibition
  • James’s Shunter’s Coupling Rod
  • Rigg’s Patent Water-Motor or Steam-Engine
  • The« Optimus »Wide-Angle Extension Camera
  • A Simple Air-Bath for Laboratory Use
  • Prevention of Magnetism in Watches
  • Details of Sweet’s 16in. Engine Lathe
  • Photo-Lithographie Transfers
  • ide’s Improved Lathe Chuck
• Scientific Societies :
  • Royal Astronomical Society
  • Western Microscopical Club
  • Astronomical Society of France
  • Institute of Marine Engineers
• Scientific News
• LETTERS (from 30056 to 30074) :
  • Abnormal Appearance of a Star - White Spot on Saturn’s Rings - Prof. Judd and Lunar olcanœs - Permanganate of Potash and Dry Cells - A New Primary Battery
  • Batteries - Mercurial Regulators - Locomotives - Estimation of SO2 - Keen Sight - Small Church Clock Ornamenting Irregular Forms, &c.
  • Head Covering - First Railway in Scotland - Cutter-Bars - Bearings - Which End of an Electra - Magnet is the« Marked »or North Pole ? - Meteorological : Increase of Solar Heat - Concert Organ
• Replies to Queries
• Unanswered Queries
• Useful and Scientific Notes
• Queries (from 68690 to 66042)
• Chess
• Answers to Correspondents

Vol LI

N°1304 - 21 March 1890

• ARTICLES :
  • Practical Electrical Testing. - IX.
  • Boring, Drilling, and Surfacing Machine
  • Nicol’s Improvements in Photographic Printing
  • Ivory Composition
  • Scharf’s Gas Battery
  • Robbins’s Pipe Wrench
  • Stanley’s Arc - Light Alternating - Current Dynamo
• Scientific News
• LETTERS (from 30949 to 30986) :
  • Tides - Trigonometry - Barometric Measurement of Heights and Reduction to the Sea - Level - Diameter and Circumference of a Circle - Soli-Lunar Cycles - The Sun’s Diameter - Finding Objects with an Equatorial - Computation of Cometary Orbits by Olbers’s Method - Mars - The Mètre - Altering a Sundial - Considerable North Latitude of a Sunspot - The Belgian Royal Observatory - Calculation of Easter
  • Elongation of Gamma² Andromedæ - Walter - The Asteroids - Detachment of Planets from the Sun - The Nebular Hypothesis and Limitation of Time - Laplace and the Nebular
  • Hypothesis - The Moon and the Church Calendar - Flats . Flat Mirrors and Telescope Tubes - Sound Theory and Unsound Arithmetic - Magnetic Facts and Fancies
  • Mr. Audsley and Squared Distance of Sound - Law of the Inverse Square in Acoustics Sound Matters - The New Theory of Sound
  • The New Sound Theory and D^r. Hall’s« Arithmetic » ! - Squaring the Circle - Test of Divisibility by 37, &c. - The Carlisle Accident
  • A Handy Help for Poultry Keepers - Diamonds as Boring Tools - The Wedge Photometer - Calculation of Easter - Aberration of Light - Boots and Shoes - Blowing Water out of Boilers . An Improvement in Small Chamber - Organs - The Steel of the Forth Bridge
• Replies to Queries
• Unanswered Queries
• Queries (from 71038 to 71080)
• Chess
• Answers to Correspondents

N°1305 - 28 Mars 1890

• ARTICLES :
  • Botany for Students
  • Imparting a Pearly Appearance in Colours
  • Astronomical Notes for April, 1890
  • Dividing Appliance for Engineers
  • Acoustics : a Review of the Old and New Theories of Sound. - II.
  • A New Gravity Cell .
  • Practical Details of Blacksmithing
  • Photo-Lithography and the New Albert Photo-Lithographic Transfer Paper
  • The Scientific Use of the Phonograph
  • Cleaning Diatoms
• Scientific Societies :
  • Royal Meteorological Society
  • Royal Astronomical Society
  • Royal Microscopical Society
• Useful and Scientific Notes
• Scientific News LETTERS (from 30987 to 31011) :
  • On a New Star Seen near Alpha Herculis in the Year 1849 Gamma² Andromedæ - The Nebular Hypothesis - Detachment of Planets from the Sun - Curious Sunset - Zincs for Batteries - North-Eastern Single Compounds - The Ratio of the Circumference to Diameter by Metius
  • Squaring the Circle - Portable Drilling Machine .
  • Price’s Slide - Rest and Vertical Slide for Milling - Drilling Hard Stones - Engraving the Stones of the Breastplate - Monthly Notices of Royal Astronomical Society - Faint Companions to Double Stars - The Weather Forecasts - Flat Mirrors and Telescope Tubes .
  • Matters Optical - Oblique (?) Lunar Rays - Flats Photo. Lenses - The Astronomical Telescope of the Future - Flat Mirrors - Lunar Image, &c. - The New Theory of Sound - Calculation of Easter
  • An Ornamental Slide - Rest - Primrose Pollen under the Microscope - « Amateur’s »Organ - Building - Boots and Shoes - Small Electro-Motors and Dynamos : to« Ibn u1 Najm »- Colour - Blindness in Railway Servants .
• Replies to Queries
• Unanswered Queries
• Queries (from 71081 to 71145)
• Chess
• Answers to Correspondents

Vol LIV

N°1387 - 23 October 1891

• ARTICLES :
  • Lathework for Amateurs. - VIII
  • How to Make a Violin. - V.
  • Chemistry for Students. - II.
  • Practical Microscopy for Students. - IV.
  • A New Mechanical Process for Resetting Blunt Files
  • Siemens’s Improved Electro-Motor
  • Cailletet’s Cryogen

• • Parallel Motions
  • A Simple Form of Electric Motor
  • Electro-Microscopic Slide for Testing the Antiseptic Power of Electricity
  • Heath’s Changeable Speed Gearing
• Scientific Societies : Quekett Microscopical Club
• Scientific News
• LETTERS (from 32825 to 32845) :
  • A Remarkable Meteor - A Large Meteor - Wolf’s Comet - Numbering of Pi Orionis - « F.R.AS. » and Prof. Vince - Peculiar Rainbows - Violin - Making - Artificial Incubation
  • Incubators - To« Sigma »
  • The Principles of Harmony
  • Pneumatic Tires - Cable Tramways - Re the Vacuum - Chiming Clock
  • A New Gas Engine - Extempore Micro - Erector - Wasted Food - Winding Magnets - Scientific Advertising
• Replies to Queries
• Unanswered Queries
• Queries (from 75604 to 75672)
• Chess
• Answers to Correspondents

N°1388 - 30 October 1891

• ARTICLES
  • Boring Holes in Long Posts
  • Astronomical Notes for November, 1891
  • Geology for Students
  • Practical Hints in Boiler Design. - IV.
  • The Swell in the Organ. - II.
  • Moor’s Improved Blowpipe
  • Recovering Tin from Waste Tin-Plate
• Scientific News
• LETTERS (from 32846 to 32565) :
  • Copernicus - Lunar Radiant Heat - Mr. S. W. Burnham’s Latest Double - Star Catalogue - The New Superintendent of the« Nautical Almanac »- Heliometer - Telescopes : and Twaddle - Ring Micrometer - Sidereal Watch - The Twelve Brightest Stars - Telescopic Field - Astronomical Eyepieces - The Zodiacal Light - Precession - D^r. Common and Myself - Diameters of Jupiter’s Satellites - New Lunar Crater - Prof. Vince - Volcans in the Moon - Mean Distance of the Moon - Uranus and Neptune - « Flare » in Telescope - Shrubs and Telescopic Definition
  • The Lunar Eclipse Next Month
  • Rays, and a Volcanic Surfacing Inconsistent with Lunar Tides. The Two New Probably Variable Stars - The Structure of the Milky Way - Nu² Scorpionis - Lambda Ophiuchi - Test - Stars Wanted - Brilliant Meteor, 11th October - Solar Light - Radiated and Reflected Dark Rays of Heat - Terrestrial Crater-Rings - Jovian Latitudes - Power of Eyepieces - Incubators
  • Incubators - Scientific Advertising - A Cure for Diphtheria - Gas-Engine and Electric Lighting - A New Gas Stove .
  • Ether - Vacuum - Dialling, and the Ellipse - Chiming Clock Violin Making
  • Organettes :VIII.
• Replies to Queries
• Unanswered Queries
• Queries (from 756773 to 75726)
• Answers to Correspondents
• Chess

N°1389 - 6 November 1891

• ARTICLES :
  • Some Remarks on ærodynamics
  • Practical Microscopy for Students. - V.
  • The Lathe Index
  • Practical Photography for Amateurs
  • Fitting -VIII.
  • Hammering Saws
  • Novelties in Incandescent Lamps
  • Jordan’s Planer Chuck
• Scientific Societies :
  • British Astronomical Association
  • The Lantern Society
• Scientific News
• LETTERS (from 32866 to 32889) :
  • Scientific Advertising - The Variable Nucleus of the Great Andromedæ Nebula, and an Anomalous Star near it - Other Variable Nebulæ and Anomalous Stars
  • The Lunar Eclipse Next Month - Jupiter - A Brilliant Meteor Meteor of October 11 - Comet Wolf - The Micrometrical Measurements of the Planets - A New Organ - Pipe - Dialling - Incubators
  • The Physical Basis of Music - The New Gas - Globe Stove
  • Organettes : IX.
  • The Cutting of Simple Microscopical Sections
  • Magic Squares
  • Stand Photographic Enlargements
  • Catgut for Clocks - Technical Gas Analysis
• Replies to Queries
• Unanswered Queries
• Queries (from 75727 to 75799)
• Answers to Correspondents
• Chess

N°1390 - 13 November 1891

• ARTICLES :
  • Practical Electric-Light Fitting, - IX
  • Geology for Students
  • « W. and R. » Patent Staple Driver
  • Practical Microscopy for Students. - VI.
  • Fire Extinguisher
  • The Lantern Microscope
  • A Simple and Efficient Gravity Hoist
  • Lessons in the Differential Calculus. - I.
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 32890 to 32909) :
  • The Height and Limit of the Atmosphere - Lunar Rotation and Tidal Action - The Sun’s Light - Radiated and Reflected Dark Rays of Heat - A Novel Eyepiece - Jupiter’s Satellites for Verifying Chronometer - Driving Clock - Astro-Photography - Jupiter - Reticle Micrometer - Personal Equation in Transit-taking - Section-Cutting Machine - The Astrolabe and Cross - Staff - Misty Object-Glass
  • The Variable Nucleus of the Great Andromedæ Nebula and an Anomalous Star near it - The Brilliant Meteor of October 11, 1891 - Star - Tests Wanted - Jupiter - The Telescope - A Divided Object-Glass - Epsilon² Lyræ
  • The Lathe Index - Incubators
  • Organettes (and Pianistas). - X.
  • Did the Ancient Egyptians Use Steel ? - A Chemical Application to Bicycles - Gas - Globes and Heating Apparatus The New Gas - Globe Stove - Mr. Bottone to His Friends - An Experiment with Incandescent Lamps - Some Curious Experiments with the Wimshurst Machine - Nicotine - How to Make a Violin
• Replies to Queries
• Unanswered Queries
• Queries (from 75800 to 75860)
• Chess
• Answers to Correspondents

N°1391 - 20 November 1891

• ARTICLES :
  • Clockmaking
  • Practical Microscopy for Students. - VII.
  • Fitting. - IX.
  • The Optical Lantern : its Construction and Use. - VII.
  • Practical Photography for Amateurs
  • How to Make a Violin. - VI.
  • Screw-Cutting Gauge
  • Edison’s Carbon Battery
  • A Seat Attachment for Bicycles
  • Lessons in the Differential Calculus. - II.
• Scientific Societies : The Lantern Society
• Scientific News
• LETTERS (from 32909 to 32924)
  • Saturn - Brilliant Meteor, 11th October - The Lathe Index - Incubators
  • Magic Squares - Did the Ancient Egyptians Use Steel ? - Great Northern Goods Engines - L. & N.W. Railway’s Engine « Greater Britain »
  • Choosing a Pianoforte - Natural Drinks
• Replies to Queries
• Unanswered Queries
• Queries (from 75861 to 75919)
• Answers to Correspondents
• Chess

N°1392 - 27 November 1891

• ARTICLES :
  • Lathework for Amateurs. - IX.
  • Lantern Accessories
  • Practical Microscopy for Students. - VIII.
  • Astronomical Notes for December, 1891
  • A Shaping Attachment
  • Practical Hints in Boiler Design. - V.
  • Some New Experiments Illustrating the Nature of Flame
  • Chemistry for Students. - III.
  • Luminous Paints in all Colours
  • Settling a Quarrel by Fluoresceine
  • Mirror Lens
• Scientific Societies :
  • Royal Astronomical Society
  • Quekett Microscopical Club
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 32925 to 32940) :
  • Projectiles, and the Rotation of the Earth - Heliometer - Angular Subtense of Field of Telescope - Astronomical Telescope - Mu Cephei - Unpublished Observations - Lengths of a Degree of Latitude and Longitude - The Sun’s Light
  • Brilliant Meteor of Nov. 19, 1891 - The Recent Eclipse of the Moon - Star Tests - Aurora - Sunspots Visible to Naked Eye - Communication between Ship and Shore - Incubators
  • Dialling : to Make a Sundial, Gnomon included, out of a Single Piece of taper - Magic Squares - Lantern Microscopy A Novelty in Violin Construction - Wimshurst’s Alternating Influence Machine
  • Technical Education
• Replies to Queries
• Unanswered Queries
• Queries (front 75920 to 75972)
• Chess
• Answers to Correspondents

Vol LV

N°1405 - 26 February 1892

• ARTICLES :
  • Clock-Wheel Cutting
  • Astronomical Notes for March, 1892
  • Practical Microscopy for Students. - XXI.
  • Chemistry for Students. - VII.
  • Handy Shop Tool
  • Extemporised Hand-Cameras
  • A New Form of Electric Measuring Instrument
  • Some Machine-Shop Devices
  • New Form of Plunge Battery
  • The Distribution of Power by Direct Currents
• Scientific Societies :
  • Royal Meteorological Society
  • Quekett Microscopical Club
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 33208 to 33227) :
  • New Star in Auriga - Sunspots, Satellites, and Meteorites Extraordinary - Double Stars for March - Silvering Mirrors
  • Flexure of Mirrors - Telescope : To Mr. Gadd - Tapers - Heating Surface - Vertical Planer - Experiments in Electrostatics - Lines of Flow of Underground Water and of Faults - Guiana
  • In Memoriam :« J. K. P. »- The Products of Combustion from Gas - Stoves - Economical Method of Winding for Small Drum Armatures - Zymotic Diseases and Smoking - Violin Matters
  • Determination of Terrestrial Motion in the Line of Sight - The Deluge and a Water Comet
• Replies to Queries
• Unanswered Queries
• Queries (from 76623 to 76700)
• Answers to Correspondents
• Chess

Vol LVI

N°1444 - 25 November 1892

• ARTICLES
  • Psychology. - IV.
  • Astronomical Notes for December, 1892
  • Plating and Boiler-Making - II .
  • Cutting and Annealing Steel
  • Curare
  • An Adjustable Corner Shelf
  • Preserving Steel and Iron Bright
• Useful and Scientific Notes
• Scientific Societies :
  • Royal Meteorological Society
  • Royal Astronomical Society
  • Quekett Microscopical Club
• Scientific News
• LETTERS (from 34305 to 34326)
  • Educational Astronomy - « Nuts » devoid of Kernels - Jupiter - Rotation Periods of Mercury and Venus - Belief by one Man in a Myth anent Bitunen - Thaumaturgy - Pronunciation of« Isolate »- Bar Micrometer - Reflecting Stereoscope - Star Magnitudes - Woodside’s Projection of Occultations - Velocities of Planets in their Orbits - Kepler’s Third Law - Observing Solar Altitudes by Reflection from Water - Cometary Orbits
  • Jupiter’s Fifth Satellite - Jupiter’s Red Spot - Holmes’s Comet - The Proper Motions of the Stars
  • The Variation in Altitude of Equatorial Stars - Logarithms - The Welsh and America
  • Psychology, Sex, Dreams - A Brain Mystery : to Sigma"- A Useful Book - back Cover - The Modern Safety Bicycle and Brazing - Bicycle - Building
  • Independent Borers - « Time and Tide »- Microscope Low Powers - Fruit-Drying - Experiments in Electrostatics : XXIII.
  • Railway Curves : Cant and Coning of Wheel-Tires
• Replies to Queries
• Unanswered Queries
• Queries (from 78930 to 78992)
• Chess
• Answers to Correspondents

N°1445 - 2 December 1892

• ARTICLES
  • Elementary Practical Astronomy : - IX.
  • The Elements of Geometry. - V I.
  • Plating and Boiler-Making. - III.
  • Watertight Unions
  • A Microscope Objective, and Bow to Make It. - VI.
  • Mr. Astor’s Electric Launch
  • Index of Refraction
  • Slings, Hooks, and Tackle for Foundry Work
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 34327 to 343521) :
  • Double Stars - Holmes’s Comet - The Variation in Altitude of Equatorial Stars - Variation in Altitude, and Altazimuth Mounting - The Lunar Alps, Libration, &c.
  • The Lunar Walled Plains, experimentally considered - The Perseid Meteors - Stationary Meteor Clouds - Observatories Psychology - Psychic Force : to« Sigma »
  • Psychology : Miracles - Luminosity of Flame - The Welsh in America, &c. - Experiments in Electrostatics : XXIV .
  • To« F.R.AS. »- Fruit-Drying - Mechanical Cure for Hiccough« Time and Tide, »&c. - Dragons and Noah’s Ark
• Replies to Queries
• Unanswered, Queries
• Queries (from 78993 to 79034)
• Answers to Correspondents
• Chess

N°1446 - 9 December 1892

• ARTICLES
  • Psychology. - V
  • The Optical Lantern : its Construction and Use. - XIX.
  • Plating and Boiler-Making. - IV.
  • Notices of Books
  • Bouchet’s Mechanical Movement
  • Core-box for Draw-bar Patterns
  • The Chemistry and Preparation of Japanese Lacquers
  • Carr’s Combination Surface Gauge
  • Terrestrial Magnetic Storms
• Scientific Societies : Royal Microscopical Society
• Scientific News .
• LETTERS (from 34353 le 34374)
  • Erratum - Air, Ether, or Neither ? - Lunar Rills - « Old and New Astronomy »- Limit of Accuracy in Sextant-Reading - Rotation Period of Mercury - An Impossible Heliometer - Logarithms - Why Not : indeed ? - A Non-existent Comet : and the Phenomena exhibited by a real one - The Variation in Altitude of Equatorial Stars - A Lunar « Meridional Shoal » - Comets in Space
  • Polaris and Small Telescopes - The Diameter of Holmes’s Comet - Jupiter
  • Variation in Altitude and Azimuth of Stars - Variable Star Observations, November, 1892 - Lunar Walled Plains - Saturn - Ephemerides - Some Cometary Phenomena - Cometary Discoveries
  • Meteor - Pronunciation of some Astronomical Terms - Psychology : Materialisation, Miracles
  • A 10in. spark Induction Coil - A Simple Way and Means of Winding Coils - The Nine Puzzle - Pigeons : re Darwin - The Melting Point - Railway Curves - Star Discs - Eyepieces
  • A Light for the Dark Mornings
• Replies to Queries
• Unanswered Queries
• Queries (from 79035 to 79091)
• Answers to Correspondents
• Chess

N°1447 - 16 December 1892

• ARTICLES
  • Elementary Practical Astronomy. - X.
  • The Elements of Geometry. - VII.
  • The Blount Door Spring and Check
  • Flotation of Comets’ Tails
  • « Hard Silver » Plating
  • The Modern Safety Bicycle, and its Practical Construction. - IV.
  • The Bradley Gas Generator
  • The Gathmann Torpedo
  • Improved Cut-outs for Electric Work
  • Spring Jack for a Side-Spring and a Crank-Axle
• Scientific Societies : British Astronomical Association
• Scientific News
• LETTERS (from 34375 to 34396) :
  • Diameter of Holmes’s Comet - Astronomical
  • Occultation of Jupiter and the Nautical Almanac - A Plausible Trick, Hypnotism, &c. - Lunar Walled Plains - Electric Light for Telescope Tube - Meteor - Pronunciation of some Astronomical Names - Is Mars Inhabited ?
  • Altitude and Azimuth - Fruit-Drying - Oxygen for Lantern Lights
  • Mater - Death : what is it ? - Clairvoyance - Thaumaturgy - Materialism - Psychology.
  • Ink for Typewriter Ribbons - Gravitation - Health and Exercise - Terrestrial Magnetism
  • Ptomaines, and the Recrudescence of Cholera
• Replies to Queries
• Unanswered Queries
• Queries (from 79092 to 79150)
• Answers to Correspondents
• Useful and Scientific Notes
• Chess

N°1448 - 23 December 1892

• ARTICLES :
  • Psychology. - VI.
  • Chemistry for Students. - XVIII.
  • Plating and Boiler-Making. - V.
  • Four inch Bench Lathes with Treadle and for Power
  • The Modern Safety Bicycle. and its Practical construction - V.
  • Combined Dividing-Road and Work-Table
  • Inflating Rubber Balls
  • The Columbian Piston-Rod Packing
  • Engraving on Glass by Electricity
• Scientific Societies : Quekett Microscopical Club
• Useful and Scientific Notes
• Scientific News
• LETTERS (from 34337 to 34427) :
  • Another Catalogue of Double Stars - Photographs of jupiter - The Leeds Astronomical Society - An indispensable Supplement to the Nautical Almanac - Pronunciation Of Astronomical Words and ,Names - Stellar Dies and Magnitudes - Eye pieces - Tripod Stand for a Telescope - A 21/2in. Achromatic Velocity (in arc) of the Planets - Latitude of Sunspots - A Cometary Collision a Tail of the World’s End - Encore the Pyramid - Elements of Occultations in the Nautical Almanac - Lunar Walled Plains Is Mars Inhabited 1 - Thaumaturgy - The Centrifugal Railway - Quarts Prime - Non-Achromatic Telescope - Sextant - An Addition to the Solar System
  • The Geminids - Jupiter - Saturn - Holme’s Comet (f. 1892)
  • Polaris - 14 Lyncis - Training - Comets and Comets’ Tails - The Andromeda Meteors - Some Cometary Phenomena - Pronunciation of Astronomical Names - Mesmerism, &c. - Thaumaturgy
  • Psychology - Matter - Death : what is it ? - Materialism
  • Evolution - Logarithms - Compound Locomotives - A Transformer for converting Declination and Right Ascension into Altitude and Azimuth - Position of Eyepiece - Gravitation Poisson’s Formula : a correction - Flax Cultivation - A Suggestion respecting the Radiation of Energy
  • Experiments in Electrostatics : XXV. - Heating Plant - Houses - Propagating Plants
  • The Position of We Polar Ray - Design in Nature
• Replies to Queries
• Unanswered Queries
• Queries (from 73151 to 79193)
• Chess
• Answers to Correspondents

N°1449 - 30 December 1892

• ARTICLES
  • Elementary Practical Astronomy. - XI.
  • Astronomical Notes for January, 1893
  • Lens-Work for Amateurs
  • The Smell of Cooking and its Prevention
  • The Optical Lantern : its Construction and Use. - X X.
  • Plating and Boiler-Making. - VI.
  • Notes on Rope-Driving. - I.
  • The Heliochromoscope
  • On the best Form of Mounting for a large Reflector
• Scientific Societies : Royal Meteorological Society
• Scientific News
• Useful and Scientific Notes
• LETTERS (from 34428 to 34442) :
  • The Maintenance of the Sun’s Heat - Some Cometary Phenomena - The Sun and the Lunar Planets - Star Discs - Position of Eyepiece, &c.
  • Pronunciation of Astronomical Names The Value of Testimony - Logarithms - Therapeutic Electricity - Experiments in Electrostatics : XXVI.
  • Flax Cultivation - Spelling and Pronunciation - Mesmerism Psychology
  • What I think of Technical Schools
  • Washing-Bottle for Micro-Sections
• Replies to Queries
• Unanswered Queries
• Queries (from 79193 to 79217)
• Chess
• Answers to Correspondents

N°1451 - 13 January 1893

• ARTICLES :
  • The Progress of Astronomy in 1892
  • Lens-work for Amateurs. - II.
  • Pipe Flues
  • The Elements of Geometry. - IX
  • Plating and Boiler-Making. - VII.
  • Notices of Books
  • Rod and Ring Experiment
  • The Analysing Eyepiece
  • Making a Wheel with Proper Dish
• Scientific Societies : British Astronomical Association
• Scientific News.
• LETTERS (from 34466 to 34486) :
  • Is Jupiter’s Limb Opaque ? - Magnitudes of Faint Stars near Epsilon Lyræ - Determination of Limit of Vision - Eta and Gamma Corona - 14 Lyncis - Jupiter’s Fifth Satellite not discovered by Barnard
  • Jupiter - The Maintenance of the Sun’s Heat - Fine Meteor - The Quadrantid Meteors
  • Lunar Atmosphere - Some Ness Companions to Pairs in « Celestial Objects » - A Novel Motor - Psychology - Matter - Thaumaturgy - « Une idee que je ne puis pas verifier »
  • Aluminium - Silvering Specula - Position of Eyepiece - Large Electro - Magnet - Combustible Gases in Coal - Bunkers and Ships’ Holds.
  • Flax Cultivation - Propagating Plants - Eight-coupled Goods Engines
• Useful and Scientific Notes
• Replies to Queries
• Unanswered Queries
• Queries ( from 79266 to 79332)
• Answers to Correspondents
• Chess

N°1452 - 20 January 1893

• ARTICLES :
  • Elementary Practical Astronomy - XII.
  • Psychology. - VIII.
  • Plating and Boiler-Making. - VIII.
  • Draught in Chimneys
  • The New Mesmerism
  • The Pruynway
  • Farrand’s Automatic Boiler Feed
  • Notes on Rope-Driving - II.
  • Variable Speed Power Transmission
• Useful and Scientific Notes
• Scientific News.
• LETTERS (from 34487 to 34513) :
  • Absorption of Feat by the Sun’s Atmosphere - Polaris - Lunar Walled - Plains - Micro - Spectroscope - Planetary Motion - Finding R.A and Dec. for any specified Date - Comet Eyepiece - Sine of Angle - Height above Sea-Level - Nova Aurigæ - A Right Angle and a Wrong Angle : a Geometrical Puzzle - The Apparent Limb of the Moon, or of a Planet - The Midnight Sun - Converting R.A and Pee. into Longitude and Latitude - The Radii Vectores of a Comet - Observations of a Comet to determine its orbit - Longitude of Markings on Jupiter - The Ulster Astronomical Society
  • Saturn - Star Magnitudes, &c - Eta Coronæ - 14 Lyncis - Star near Jupiter - Star Mags - The Proper Motions of Sirian Stars
  • Southing of Stars - Jupiter - The Maintenance of the Sun’s Heat - Lunar Atmosphere - Holmes’s Comet - Roots and Asphalte - Bees - A Post - Office Question - Seeing : Real and Imaginary - A Twinkling Planet - A Hygrometric Difficulty - To « Sigma » , Psychologists, and Others .
  • Atoms and the Materialistic Theory - The Yoga Philosophy - « Une Idée que je ne puis pas verifier » : to C. Janczarski - A Novel Motor - Burst Water-Pipes - Aluminium - Fight - coupled Goods Engines - Fastest Run on North-Western - Notes on Theoretical Electricity
  • Experiments in Electrostatics : XXVII. - Flax Cultivation - A Lost Friend
• Replies to Queries
• Unanswered Queries
• Queries (from 79333 to 79387)
• Chess
• Answers to Correspondents

N°1453 - 27 January 1893

• ARTICLES
  • Electrical Apparatus, Constructing and Repairing. - II
  • Plating and Boiler-Making - IX
  • Astronomical Notes for February, 1893
  • The Ice Rink in Paris
  • The Elements of Geometry. X
  • The Modern Safety Bicycle, and its Practical Construction. - VII.
  • A Combined Finger and Ring Gauge
  • Practical Details of Die - Sinking. - III
  • A Cheap Microscope Lamp
  • Cutmore’s « Homacoustic » Speaking-Tube
• Scientific Societies :
  • Royal Meteorological Society
  • Quekett Microscopical Club
• Scientific News
• LETTERS (from 34514 to 34539) :
  • Star Magnitudes :Beta and Gamma Coronæ - 14 Lyncis - Double Stars - Shadows of Saturn’s Satellites, &c - The Study of Nebulæ and Clusters and of the Milky Way - Polaris
  • Holmes’s Comet - Occultation of Jupiter - « Sigma » and Occultism - Copyright and Patent Laws - Driving Clock for Small Telescopes - The Maintenance of the Sun’s Heat
  • A Crux - A simple form of Star - Spectroscope - On Variable Star - Observing
  • Roller - Skate Wheels - A Novel Motor - Thaumaturgy - Aluminium - Burst Water - Pipes - Mr. Wynne Baxter’s Translation of D^r. H. Van Heurck’s« Le Microscope, »&c.
  • Eight-coupled Goods Engines - Geometrical Puzzle - An Old Dodge - Weeds - Flax Cultivation - Propagating Plants - Further Applications of coal - Gas for Heating
  • Roots and Asphalte - The Yoga and Theosophy - Materialism - The New Mesmerism
• Replies to Queries
• Unanswered Queries
• Queries (from 79388 to 79456)
• Answers to Correspondents
• Chess

Vol LVII

N°1459 - 10 Mars 1893

• ARTICLES :
  • Electrical Apparatus, Construction and Repairing. - I V
  • The Best Mode of Heating a Residence
  • Plating and Boiler-Making. - XIII
  • Lens-Work for Amateurs. - V
  • Bee-Hives, and How to Make them. - I
  • Elements of Geometry. - XIII
  • Chemistry for Students. - XXI
  • Field’s Improvements in Telephony
  • Notes on Rope-Driving. - III
  • Edison’s New Art of Generating Electricity
  • A New Theory of Colour - Perception
• Scientific News
• LETTERS (from 34651 to 34680) :
  • The StarBeta Cygni - Variable Star Observations, February 1893 - Double Stars - 15 Lyncis (BetaΣ 159) - To A P. Bower
  • The Star of Bethlehem - Pumping Water - Experiments in Electrostatics : XXIX
  • The concept of Mind
  • New Lancashire and Yorkshire, and South-Eastern Tank Engines - A New Geometrical Approximation - Dyeing Leather - Sensitive Photo. Plates - Sun-Engine
  • The Origin of the Cornet of Nov. 6, 1892 - Donble Stars - The Structure of the Galaxy
  • Cost of Continuous Brakes - The Latest Express Engine - Compound Locomotives
  • How to Make a Gas-Engine - Cuneiform Inscriptions - The Chaldean Account of the Deluge - Absolute Zero of Temperature - Theosophy - An Experiment with a Lucifer Match - Ether - How to become an Engineer - Sulphide of Calcium
• Replies to Queries
• Unanswered Queries
• Queries (from 79769 to 79835)
• Answers to Correspondents
• Chess

N°1460 - 17 Mars 1893

• ARTICLES :
  • A Double-Cylinder Pattern
  • Noises in Hot-Water Pipes
  • Bee-Hives, and How to Make them. - II
  • The Optical Lantern : its Construction and Use : XXIII
  • Stark’s Motor for Flying Machine
  • The Bachelder Steam-Engine Indicator
  • Micrometer for Cross-feed of Lathe
  • Carriage Woodwork : the Farm Waggon
• Scientific Societies : Royal Astronomical Society
• Scientific News
• LETTERS (from 34681 to 34696) :
  • The Albert Hall v. the Imperial Institute - Astronomy for Everyday Readers - Schæberle’s Mechanical Theory of the Solar Corona - Meteorites and Vegetation in Space - The Visibility of Stars in the Daytime - Occultation of Jupiter by the Moon on Feb. 20 - Monster Telescopes - Height of Tower and Distance of Horizon - Dipleidoscope - Wind Pressure - Power for 81/2in. Reflector - Micrometer - The Spectrum of Nova Aurigæ - Jupiter, Saturn, &c. - Change of Latitude ; the Constant of Aberration ; and Parallax - The Actonian Prize ; and a Learned Society - Eyepieces - Absolute Zero of Temperature - Transit Instrument
  • The Star of Bethlehem - Double Star near Jupiter :Beta Boötis - The Visibility of Stars by Daylight - Companions toBeta Canis Minor (Procyon)Beta OrronisBetaΣ 175
  • Psychology
  • Chemistry for Students - Hereditary Mixtures - How to Make a Gas-Engine - The Van Heurck Microscope - The« Folkestone »Locomotive - Absolute Zero of Temperature - A possible Gigantic Telescope : II. - How to become an Engineer
• Replies to Queries
• Unanswered Queries
• Queries (from 79836 to 79890)
• Answers to Correspondents

Vol LVII

N°1473 - 16 June 1893

• ARTICLES :
  • How to make a Printing Press - I
  • Plating and Boiler-Making. - XX
  • The Nansen North Pole Expedition
  • The Ayrton-Mather Electrostatic Voltmeter
  • Elements of Geometry. - XX
  • Handy and Inexpensive Appliances
  • The Oldest Book in the World
  • Simple Hygroscope
  • Metallic Drawing-Rolls
  • The Pentz-Reckenzaun Electric Meter
  • A Pneumatic Bubble Remover
• Scientific News
• LETTERS (from 35022 to 35047)
  • The Moon’s Physical Constitution - « Celestial Objects »- Tlid Nature of Physiography, and an Advanced Book thereon - A Critic Criticised
  • Mr. Espin and the Object-Glass Prism - Turret-Clock Making - Diffraction Spectroscope
  • Manual of. Astronomical Spectroscopy - Foundations of Engines and Machines
  • Mythical History - Space of n, Dimensions - To« F.R.AS »- Free Will and Necessity
  • Matter and Energy - W. F. Stanley’s Theory of Colour Vision - Evolution, Krishna and Christ - Origin of Life : II - Bursting Balloons - The Danger of Transparent Balloons
  • Collision Fender - The Von Pittler Lathe - A Model Locomotive - G.E.R. Tank Locos. - Ancient Longevity
  • Natural Food - Longevity - Sudden Blowing of Loco. Safety-Valves
• Replies to Queries
• Useful and Scientific Notes
• Unanswered Queries
• Queries (from 80480 to 80538)
• Answers to Correspondents
• Chess

N°1474 - 23 June 1893

• ARTICLES :
  • Electrical Apparatus, Constructing and Repairing. - X
  • Lens-Work for Amateurs. - X
  • Leeson’s Patent Adjustable Screw-Tap Wrench
  • Plating and Boiler-Making. - XXI
  • A Revolution in Electric Heating
  • New Boring Bar
  • Allred’s Measuring and Drawing Tool
  • Weariness
  • Focussing Device for Telescopes
• Scientific Societies : Quekett Microscopical Club
• Scientific News
• LETTERS (from 35045 to 35070) :
  • The Yerkes Mammoth Telescope - A Physical Observatory at Greenwich - The Mechanical Theory of the Solar Corona - Stellar Parallax - Epsilon Lyræ - The Nature of Physiography, and an Advanced Book thereon - Gravity - A Regrettable Retirement - Sunspots and the Weather - The Structure of the Milky Way - The Belgian Royal Observatory - Spectrum of the Nova Aurigæ - Diffraction Spectroscope - Mythical History - Space of n Dimensions - Mathematical Astronomy - Arithmetical Complement, &c. - Physical Strength
  • Saturn, Mercury, and Venus - Kellner Eyepieces .
  • Notes on Nebulæ - Turret-Clock Making - The Power of Plants to Draw Moisture from the Soil by means of their Roots - The New Steam Lifeboat
  • Free Will - Evolution - Tell-Amarna Tablets - Free Will and Necessity - Space of n Dimensions - The Fourth and Other Dimensions - Propelling Appliance for Swimming - An Old Locomotive
  • Silver Plate - White Lead - Edible Earth - Pyrogallol Stains - W. F. Stanley’s Theory of Colour-Vision
  • Joseph - Stone and Brick Memorials - The Gas-Engine and How to Make One : VI. - The Wimshurst Machine.
  • The Price of Potatoes
• Replies to Queries
• Unanswered Queries
• Queries (from 80539 to 80600)
• Chess
• Answers to Correspondents
• Useful and Scientific Notes