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Ammeter and shunt, 19th century

Ammeter and recorder, 19th century

Meylan-d'Arsonval voltmeter, 1900s

Thermal voltmeter, 1900s

Voltmeter recorder, 19th century

Thomson galvanometer, 1850s

Deprez-d'Arsonval galvanometer, 1882

Pellat electrodynamometer, 1907

Standard ampere, 1900s

Electricity meter, 19th century

Hauksbee electrostatic generator, 1709

Holtz electrostatic generator, 1865

Plante accumulator battery, 1859

Electromagnetic needle effect, 1820

Lightning rods, 19th century

Chromic acid battery, 19th century

Camacho cascade battery, 1870s

Decade resistance box, 19th century

Ohmmeter, 19th century

Meritens magneto generator, 1870s

Gramme dynamo, 1870s

Gramme dynamo, 1870s

Siemens dynamo, 19th century

Multipolar dynamo, 1900s

Siemens dynamo, 1900s

Electrical generators, 1900s

Electric spark displays, 1850s

Geissler tube, 1850s

Tesla high-frequency condenser, 1890s

Electricity transformer, 1900s

Gramme dynamo, 1870s

Lightning arrester, 1900s

Lightning arrester, 1900s

Carbon electric arc lamp, 1800s

Lighthouse electric light, 19th century

Moissan furnace, 19th century

Scientific equipment, historical artwork

Voltmeter, 19th century illustration

Telegraph galvanometer, 19th century

Thomson galvanometer, 1850s

Pellat electrodynamometer, 19th century

Henrich Ruhmkorff, German inventor

Scientific equipment, historical artwork

Timer meter, historical artwork

Volta's 'Crown of Cups' battery, 1800

Batteries connected in series

Heinz lead-acid battery, 19th century

Gramme dynamo armature, 1870s

Measuring electrostatic attraction, 19th century

Measuring electrostatic repulsion, 19th century

Bonelli telegraph, 19th century

Speedometer, historical illustration

Optical telegraphy, 19th century

Gramme arc lamp regulator, 19th century

Overhead train power lines, 19th century

Lippmann electrometer, 19th century

Thermal expansion measurement, 19th century

Wollaston battery pile, 1810s

Bunsen battery, 1840s

Richard anemometer, 19th century

19th C singer using pneumograph, illustration

Optics experiment, historical artwork

Louis Breguet, French physicist

Mechanical colour test, 19th century

High-precision mass balance, 19th century

Electric cooking stove, 19th century

Turbine design, 19th century

Morse telegraph receiver, 19th century

Hughes printing telegraph, 19th century

Caselli pantelegraph, 19th century

Telegraph tape transmitter, 19th century

Stenotelegraph, 19th century

Thomson telegraph recorder, 19th century

Bell telephone, 19th century

Ader telephone station, 19th century

Mining order telegraph, 19th century

Thomson telegraph recorder, 19th century

Baudot telegraph system, 19th century illustration

Hughes printing telegraph, 19th century

Morse telegraph receiver, 19th century

Hooke telegraph system, 1684

Chappe telegraph system, 1790s

Optical telegraphy, 19th century

Pneumatic messaging, 19th century

Steinheil telegraph, 1830s

First Morse telegraph, 1837

Foy-Breguet telegraph, 19th century

Thermometer calibration, 19th century

Eiffel Tower's electric lamp, 1889

First gas engine, 1860

Otto gas engine, 19th century

Benier gas engine, 19th century

Bisschop gas engine, 19th century

Francois gas engine, 19th century

Charon gas engine, 19th century

Koerting-Lieckfield engine, 19th century

Ravel gas engine, 19th century

Gaston Plante, French physicist

Electroplating apparatus, 19th century

Lick Observatory telescope, USA, 19th Century illustration

Berthelot and thermodynamics, 19th century

Lightning conductor umbrella, 1770s

Holtz electrostatic induction generator, 19th century

Wimshurst electrostatic generator, 19th century

Foucault interrupter, 19th century

Large storage battery, 19th century

Gramme dynamo, 19th century

Zipernowsky transformer, 19th century

Clamond electroplating thermopile, 1874

Large storage battery, 19th century

Early electric engine, 19th Century illustration

Jeantaud speed controller, 19th century

Gas engine piston, illustration

Brayton carburettor, illustration

Daimler carburettor, illustration

Campbell petrol engine, illustration

Gardner petrol engine, illustration

Metallurgical blast furnaces, 1899

Microscopes, historical artwork

Hercule-Progres turbine, illustration

Eiffel Tower's searchlights, 1889

Telemicrophonograph, early 20th century

Fire alarm warning system, 20th century

電流計

Electrostatics experiment, 19th century

Muscle measurements, 1870s

Ruhmkorff coil, 19th century

Electric kettle, 19th century

Electrostatic generator sparks, 18th century

Electricity experiments, 1807

Compound spectroscope, 19th century illustration

19th Century electricity demonstration

Kirchhoff-Bunsen spectroscope, 19th century

Dishwashing machine, 19th century

Key-locking nut device, 19th century

Dual-Brabant plough, 19th century

Electromagnet crane, 19th century

Tesla's Wardenclyffe Tower laboratory, illustration

Electricity generator, 19th century

Brouhot petrol engine, illustration

Claude Chappe, French engineer

Improvement of Franklin's Electrical Kite

Magnetic induction demonstration, 19th century

Solenoid demonstration, 19th century

Claudel carburettor, illustration

Rainhill locomotive trials, October 1829

Steam-powered excavator, 19th century

Steam engine valve, 19th century

Compound steam locomotive, 1880s

Train wagon chassis, 19th century

Train frequencies, 19th century

Serpollet steam tricycle, 19th century

Serpollet steam car, 19th century

Duplex engine distribution, illustration

Benz engine distribution, illustration

Cockerill gas engine, illustration

Otto gas engine, illustration

Gasification unit, illustration

Gasification unit, illustration

Gasification unit, illustration

Montgolfier hydraulic ram, 18th century

Bollee hydraulic ram, 19th century

Mekarsky compressed air engine, 1870s

Airlift pump, 19th century

Nikolaus Otto, German engineer

Gardner gas engine, 19th century

Lenoir gas engine, 19th century

Gardner gas engine, 19th century

Gasogene and gas engine, 19th century

Gardner gas engine, 19th century

Gasification unit, illustration

Otto petrol engine, 19th century

Car engine and magneto, illustration

'America' McCormick turbine, illustration

Wind turbine, illustration

Windmill, 19th century

Ammeter and circuit symbol, illustration

Electrical component symbols, illustration

Tesla induction motor, 1888

Thomson quadrant electrometer, 19th century

17th Century water clock, artwork

Electric lights at night, 19th century

Telescopes, 1807

Edison's phonograph, 19th century

Edison's first phonograph, 1877

Foucault telescope, 19th century

Newtonian telescope, 19th century

Lick Observatory telescope, 19th century

Lick Observatory telescope, 19th century

Hughes's printing telegraph, 1850s

Maximum-minimum thermometer, 19th century

Gas liquefaction machine, 19th century

Early electric telegraph machine, 19th Century illustration

Early electric telegraph receiver, 19th Century illustration

Optics experiment, historical artwork

Herschel's infrared light discovery, 1800

Herschel's infrared light discovery, 1800

Herschel's infrared light discovery, 1800

Submarine telegraph cable, 19th century

Telephone switchboard, 19th century