위대한 발명이야기.The Story of Great Inventions, by Elmer Ellsworth Burns

위대한 발명이야기.The Story of Great Inventions, by Elmer Ellsworth Burns
CONTENTS
CHAPTER I

THE AGE OF ARCHIMEDES

Archimedes the first great inventor.―The battle of Syracuse.―Archimedes'
principle.―Inventions of the ancient Greeks Page 1


CHAPTER II

THE AGE OF GALILEO

Galileo and the battle for truth.―The pendulum clock.―Galileo's experiment with
falling shot.―The telescope.―Galileo's struggle.―Torricelli and the barometer.―
Otto von Guericke and the air- pump.―Robert Boyle and the pressure of air and
steam.―Pascal and the hydraulic press.―Newton.―Gravitation.―Colors in
sunlight Page 9

CHAPTER III

THE EIGHTEENTH CENTURY

James Watt and the steam- engine.―The first steam- engine with a piston.―
Newcomen's engine.―Watt's engine.―Horse- power of an engine.―The Leyden
jar.―Conductors and insulators.―Two kinds of electric charge.―Franklin's kite
experiment.―The lightning- rod.―Galvani and the electric current.―Volta and the
electric battery Page 34


CHAPTER IV

FARADAY AND THE FIRST DYNAMO

Count Rumford.―Count Rumford's experiment with the cannon.―Davy.―
Faraday's electrical discoveries.―Oersted and electromagnetism.―Amp？re.―
Arago.―Faraday's first electric motor.―An electric current produced by a
magnet.―Detecting and measuring an electric current.―An electric current
produced by the magnetic field of another current.―Faraday's dynamo.―A
wonderful law of nature Page 5
CHAPTER V

GREAT INVENTIONS OF THE NINETEENTH CENTURY

Electric batteries.―The dry battery.―The storage battery.―The dynamo.―
Siemens' dynamo.―The drum armature.―Edison's compound- wound dynamo.―
Electric power.―The first electric railway.―Electric lighting.―The telegraph.―
Duplex telegraphy.―The telephone.―The phonograph.―Gas- engines.―The
steam locomotive.―How a locomotive works.―The turbine Page 88


CHAPTER VI

THE TWENTIETH- CENTURY OUTLOOK

Air- ships.―The aeroplane.―How the Wright aeroplane is kept afloat.―
Submarines.―Some spinning tops that are useful.―The monorail- car.―Liquid
air and the greatest cold.―The electric furnace and the greatest heat.―The
wireless telegraph.―The wireless telephone.―Wonders of the alternating
current.―X- rays and radium Page 173


APPENDIX

Brief notes on important inventions Page 237


INDEX Page 247