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 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