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Meylan-d'Arsonval voltmeter, 1900s

Thermal voltmeter, 1900s

Ammeter and shunt, 19th century

Voltmeter recorder, 19th century

Deprez-d'Arsonval galvanometer, 1882

Standard ampere, 1900s

Lightning arrester, 1900s

Lightning arrester, 1900s

Pellat electrodynamometer, 1907

Thomson galvanometer, 1850s

Ammeter and recorder, 19th century

Electricity meter, 19th century

Multipolar dynamo, 1900s

Siemens dynamo, 1900s

Electrical generators, 1900s

Electricity transformer, 1900s

Batteries connected in series

Voltmeter, 19th century illustration

Hauksbee electrostatic generator, 1709

Holtz electrostatic generator, 1865

Plante accumulator battery, 1859

Lippmann electrometer, 19th century

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

Electric spark displays, 1850s

Geissler tube, 1850s

Tesla high-frequency condenser, 1890s

Carbon electric arc lamp, 1800s

Lighthouse electric light, 19th century

Gramme dynamo, 1870s

Speedometer, historical illustration

Scientific equipment, historical artwork

Moissan furnace, 19th century

Zipernowsky transformer, 19th century

Telegraph galvanometer, 19th century

Volta's 'Crown of Cups' battery, 1800

Heinz lead-acid battery, 19th century

Ignition magneto, illustration

Gramme dynamo armature, 1870s

Thomson galvanometer, 1850s

Pellat electrodynamometer, 19th century

Thomson quadrant electrometer, 19th century

Henrich Ruhmkorff, German inventor

Scientific equipment, historical artwork

Timer meter, historical artwork

Lightning arrester test, 1940s artwork

Wollaston battery pile, 1810s

Bunsen battery, 1840s

Measuring electrostatic attraction, 19th century

Measuring electrostatic repulsion, 19th century

Richard anemometer, 19th century

Bonelli telegraph, 19th century

Telemicrophonograph, early 20th century

Fire alarm warning system, 20th century

Hercule-Progres turbine, illustration

Optical telegraphy, 19th century

Thermal expansion measurement, 19th century

Gramme arc lamp regulator, 19th century

Overhead train power lines, 19th century

Tesla's Wardenclyffe Tower laboratory, illustration

Tesla's planned power transmitters, illustration

Claudel carburettor, illustration

Gas engine piston, illustration

Brayton carburettor, illustration

Daimler carburettor, illustration

Campbell petrol engine, illustration

Gardner petrol engine, illustration

Boudreaux-Verdet engine, 1900s

Esnault-Pelterie airplane engine, 1900s

Vintage pointer instrument on white

Lightning conductor umbrella, 1770s

19th C singer using pneumograph, illustration

Optics experiment, historical artwork

Louis Breguet, French physicist

Mechanical colour test, 19th century

Thermometer calibration, 19th century

High-precision mass balance, 19th century

Michelin air cylinder, illustration

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

Electric cooking stove, 19th century

Turbine design, 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

Thomson telegraph recorder, 19th century

Baudot telegraph system, 19th century illustration

Hughes printing telegraph, 19th century

Morse telegraph receiver, 19th century

Lick Observatory telescope, USA, 19th Century illustration

Eiffel Tower's electric lamp, 1889

Eiffel Tower's searchlights, 1889

Gaston Plante, French physicist

Electroplating apparatus, 19th century

Electrostatic generator sparks, 18th century

Berthelot and thermodynamics, 19th century

Holtz electrostatic induction generator, 19th century

Wimshurst electrostatic generator, 19th century

Foucault interrupter, 19th century

Large storage battery, 19th century

Gramme dynamo, 19th century

Clamond electroplating thermopile, 1874

Large storage battery, 19th century

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

Paddle water wheel, illustration

Bucket water wheel, illustration

Brouhot petrol engine, illustration

Improvement of Franklin's Electrical Kite

Coal dumper truck, illustration

Early petrol motorbike, illustration

Weidknecht steam omnibus, illustration

Duplex engine distribution, illustration

Benz engine distribution, illustration

Cockerill gas engine, illustration

Gasification unit, illustration

Gasification unit, illustration

Gasification unit, illustration

Brasier car engine, early 20th century

Peugeot car engine, early 20th century

Knight car engine, early 20th century

Gasification unit, illustration

Car engine and magneto, illustration

'America' McCormick turbine, illustration

Wind turbine, illustration

Amber industry, early 20th century

Jeantaud speed controller, 19th century

Metallurgical blast furnaces, 1899

Early electric engine, 19th Century illustration

Electromagnet crane, 19th century

Alessandro Volta's wet battery

Microscopes, historical artwork

Franklin's kite experiment, illustration

Electric lights at night, 19th century

Lord Kelvin, British physicist

Submarine telegraph cable, 19th century

Telephone switchboard, 19th century

Telephone switchboard, 19th century

Heliograph, 19th century

Roman beacon tower

Andre-Marie Ampere, French physicist

Antoine Becquerel, French physicist

Electrostatics experiment, 19th century

Muscle measurements, 1870s

Electricity experiments, 1807

Edison's incandescent light bulb, 19th century

Compound spectroscope, 19th century illustration

19th Century electricity demonstration

19th Century phonograph, illustration

Kirchhoff-Bunsen spectroscope, 19th century

Electric kettle, 19th century

Electric machine, 18th century

Electrostatic generator, 18th century

Ruhmkorff coil, 19th century

Electricity generator, 19th century

Renault car ignition, illustration

Industrial diesel engine, illustration

Open turbine water flow, illustration

Closed turbine water flow, illustration

Magnetic induction demonstration, 19th century

Solenoid demonstration, 19th century

Dishwashing machine, 19th century

Key-locking nut device, 19th century

Dual-Brabant plough, 19th century

Pennsylvania oil rush, 1860s

Hercule-Progres turbine, 1890s

Electricity transformer, 19th century

Claude Chappe, French engineer

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