PACINOTTI'S MOTOR, 1861.
SPRAGUE MOTOR, c1890.
ELECTRIC MOTOR, 1831.
KEELY MOTOR, 1888.
EDISON MOTOR, c1890.
CRAMPTON LOCOMOTIVE.
ELECTRIC MOTOR, 1844.
ELECTROSTATIC GENERATOR.
BENZ ENGINE, 1890s.
Tesla's electric motor system
ALTERNATING-CURRENT DYNAMO.
DAIMLER ENGINE, 1889.
STEAM-DRIVEN DYNAMO.
COULOMB'S TORSION BALANCE.
COULOMB'S TORSION BALANCE
Alessandro Volta's wet battery
ELECTRICITY: MOTORS.
ELECTRICITY: LEYDEN JAR.
HERO'S ENGINE, 1st CENTURY.
ADER AIRCRAFT, 1890.
HYDRAULIC INSTRUMENT.
CORLISS STEAM ENGINE, 1876.
COTTON GIN.
CROOKES: APPARATUS.
CHEMICAL STILL.
DISTILLERY, 19th CENTURY.
DISTILLATION.
JOHN WORRALL KEELY, c1895.
MINING: ELECTRIC DRILL.
An adaptation of Newcomen's atmospheric steam engine.
RUTHERFORD: APPARATUS.
MICHELSON: INTERFEROMETER.
CROOKES RADIOMETER.
DISTILLATION, 19th CENTURY.
PORTABLE STILL.
EDISON LAMP, 19th CENTURY.
FIRST BENZ AUTO, 1886.
FIRST BENZ AUTOMOBILE, 1886.
William Edward Ayrton's electric tricycle.
THE KEELY MOTOR, 1877.
An electric helicopter with a 9 h.p. motor.
FRANKLIN: WATER BOILING.
James Watt's parallel motion.
FRENCH DISTILLERY.
Carbon electric arc lamp, 1800s
VOLTAIC PILE, 1800.
MOTORCYCLE MOTOR, 1898.
TELEPHONE SWITCHBOARD.
WATT'S STEAM ENGINE, 1788.
BEER BREWING, 1853.
Tesla's three-phase motor and blower
YABLOCHKOV CANDLE.
FLYING MACHINES.
SEWING MACHINE, 1850s.
MORSE TELEGRAPH RECEIVER.
BABBAGE CALCULATOR, 1864.
Electric machine, 18th century
Electrostatic generator, 18th century
Jean Martin Charcot's electrotherapy clinic.
Electrical generators, 1900s
Giovanni Branca's steam engine.
KEELY MOTOR FRAUD.
WRITING TELEGRAPH, 1879.
DISTILLERY, 17th CENTURY.
MEDIEVAL ALCHEMICAL STILL.
NEWCOMEN'S STEAM ENGINE.
ADER AIRPLANE, 1897.
CENSUS TABULATOR, 1890.
MOTORCYCLE, 1898.
GYROSCOPE, 19th CENTURY.
OLE ROEMER (1644-1710).
Inventor John Ericsson's Machine.
Sweany Steam Carriage, Chas S. Caffrey Co., Camden New Jersey, USA, Illustration, circa 1895
STEAM ENGINE, c100 A.D.
DRILLING MACHINE.
ELECTROSTATIC GENERATOR
DISTILLERY, c1804.
TELEGRAPH RECEIVER, 1873.
BATTERY, 18th CENTURY.
ELECTRICAL DEVICE, 1876.
INTERNAL COMBUSTION ENGINE.
A Michelson interferometer.
STEAM ENGINE, 1893.
EDISON TELEPHONE, 1879.
WAVE INTERFERENCE.
Bento de Moura Portugal's Steam Engine.
SEWING MACHINE.
JAN SZCZEPANIK (1872-1926).
GAS METER.
TELEPHONE, 19th CENTURY.
A Newcomen steam engine.
WATT'S STEAM ENGINE, 1769.
An electrical gyroscope being used.
PHYSICS: APPARATUS, 1879.
LEYDEN JAR.
J.J. THOMSON'S EXPERIMENT
Foucault's Switch
DISTILLATION, 1830.
CALLAUD BATTERY, c1860.
FELIX DU TEMPLE'S PATENT.
19th Century phonograph, illustration
Tesla oscillator
LUIGI GALVANI (1737-1798).
TELEGRAPH KEY.
ALCHEMY: TOWER OF ATHANOR.
CAYLEY FLYING MACHINE, 1853.
Volta Builds The Electric Motor Or Electric Battery In December
DISTILLERY, 18th CENTURY.
DATING TECHNOLOGY.
Close up of a stationary electric motor
SIDE-LEVER ENGINE, 1878.
Hausen's Electric Machine
Patent turbo electric generator, steam motor and dynamo combined
Nairne's Electrical Machine (1782)
The Abbe Nollet's Electric Machine (1747)
James Watt's steam engine.
ELECTRIC FLYING MACHINE.
James Watt's sun-and-planet gears.
THE EQUATORIAL TELESCOP
The governor of James Watt's steam engine.
The end beam of James Watt's steam engine.
ARCHIMEDES: SCREW.
ELECTRICAL EXPOSITION, 1881.
SCREW-MAKING MACHINE.
AUTOMATIC ENGINE, 1886.
A Geissler tube.
PHRENOLOGY, 1869.
Diagram of John Ramsbottom's locomotive apparatus.
EDISON: TELEPHONE.
MAXIM INCANDESCENT LAMP.
THOMPSON: APPARATUS.
BABBAGE'S CALCULATOR, 1860s.
ELECTRICITY.
Swinton's telephone.
WATT'S STEAM ENGINE.
DAVY: GAS MACHINE, 1800.
FIRE ENGINE, c1870.
AD: STEAM ENGINES, 1890.
MINTING COINS, 18th CENTURY.
MONT CENIS TUNNEL, 1871.
ROTARY STEAM ENGINE.
RUM PRODUCTION: STILL.
Tesla's constant current dynamo
AMPHIBIOUS VEHICLE.
Diagram depicting Galileo's experiment to measure the force of a ball.
Armstrong's Electric Machine
Holtz's Electric Machine
Hauksbee's First Electric Machine
Hauksbee's Second Electric Machine
DC motor commutator end cap
Papin's steam engine.
Van Marum's Electrical Machine (1780)
SUNDIAL.
Rotating electric motor
PAPER PHOTO NEGATIVE, 1885.
LIGHTNING ROD UMBRELLA.
Gyrocompass, historical artwork
Michael Faraday, British physicist
ROBERT BOYLE (1627-1691).
The Device Of M. Duchenne (De Boulogne)
Magneto-Electric Machine From The Alliance Company
English Electric Machine Built By Adams (1750)
MITERING TOOL, 1867.