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Sterilization of milk, 19th century

Formaldehyde disinfection, 19th century

Duplex engine distribution, illustration

Benz engine distribution, illustration

Gas engine piston, illustration

Cockerill gas engine, illustration

Otto gas engine, illustration

Gasification unit, illustration

Gasification unit, illustration

Gasification unit, illustration

Brayton carburettor, illustration

Daimler carburettor, illustration

Renault car ignition, illustration

Bucket water wheel, illustration

Open turbine water flow, illustration

Closed turbine water flow, illustration

Montgolfier hydraulic ram, 18th century

Bollee hydraulic ram, 19th century

Hercule-Progres turbine, illustration

Mekarsky compressed air engine, 1870s

Airlift pump, 19th century

Wind turbine, illustration

Dishwashing machine, 19th century

Turbine design, 19th century

Brasier car engine, early 20th century

Peugeot car engine, early 20th century

Knight car engine, early 20th century

Esnault-Pelterie airplane engine, 1900s

Carpet weaving in Kurdistan, 19th century

Industrial diesel engine, illustration

Paddle water wheel, illustration

Water wheels at Marly, 1850s

Peugeot Phaeton automobile, 1894

Electric cooking stove, 19th century

Industrial gas engine, 19th century

Mechanical colour test, 19th century

Acetylene production, 19th century

Key-locking nut device, 19th century

Dual-Brabant plough, 19th century

Metallurgical blast furnaces, 1899

Serpollet steam car, 19th century

Jeantaud speed controller, 19th century

Amber industry, early 20th century

Pierre Germain, French inventor

Claudel carburettor, illustration

Deperdussin monoplane, historical diagram

Mercury orbit hypotheses, 19th century

Electricity transformer, 19th century

Canal construction machine, 19th century

Paper mill industry, 19th century

Carpet weaving in Turkey, 19th century

19th Century lighthouse, historic artwork

Milk pasteurization, 19th century

Richard anemometer, 19th century

Three early helicopter designs, 1877

Philippe Lebon, French engineer

Train tunnel, 19th century

Gasification unit, illustration

Hercule-Progres turbine, 1890s

Submarine telegraph cable, 19th century

Submarine telegraph cable, 19th century

Bell telephone, 19th century

Electroplating apparatus, 19th century

Early refrigerator, 19th century

Paul Vieille, French chemist

J-L. Dutreuil de Rhins, French explorer

Eleuthere Mascart, French physicist

Louis Figuier, French science writer

Joseph Boussinesq, French physicist

Henri Coudreau, French explorer

Gigantism and acromegaly, 19th century

Sisymbrium flowering plant, 19th century

Anabasis aphylla, 19th century

Caving in Switzerland, 19th century

Hydroelectric power, 19th century

Public transformer station, 19th century

Liquid air experiments, 19th century

Alligators in captivity, 19th century

Aspidiotus insect male, 19th century

Fly's-eye-view of a human, 19th century

Snapping turtles, 19th century

Matchstick factory, 19th century

Repairing submarine telegraph cable, 1894

Rotary transformers, 19th century

Crop sprayer, 19th century

Alvan Clark and Yerkes 40-inch lens, 1897

Railway bridge construction, Mali, 1898

Eiffel Tower's electric lamp, 1889

Grand Central Terminal construction, 1911

Michelin air cylinder, illustration

Wright biplane, historical diagram

Amber industry, early 20th century

Conjoined twins, early 20th century

Food safety tests, 19th century

Sulphite process for wood pulp, 1898

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

Rotary reading wheel, 19th century

Strongman, early 20th century

Egyptian jerboas, early 20th century

Spinning hemp, 19th century

Derailed train, 19th century

Iron ore crusher, 19th century

Steel industry furnace, 19th century

Waste incinerator, early 20th century

Hermann von Helmholtz, German physicist

Eclipsing binary star diagrams, 1895

Anthracite coal industry, 19th century

Bearded lady, 19th century

Jean-Baptiste Marchand, French explorer

Juggling tricks, 19th century

Polynesian canoes, 19th century

Liquid air experiments, 19th century

Balata rubber tree, 19th century

Marchand expedition across Africa, 1890s

Diamond mine security, early 20th century

Doedicurus fossil, 19th century

Zoology lesson, 19th century

Dodos, 19th century

Steller's sea cow, 19th century

Mammoth carving on ivory, 19th century

Thomson telegraph recorder, 19th century

Baudot telegraph system, 19th century illustration

Hughes printing telegraph, 19th century

Morse telegraph receiver, 19th century

Gramme dynamo, 1870s

Trevithick steam car, 19th century

Marc Seguin, French engineer

George Stephenson, British engineer

Robert Stephenson, British engineer

Rainhill locomotive trials, October 1829

Stephenson's Rocket, 1829

Steam-powered excavator, 19th century

Garabit viaduct, 19th century

Forth Bridge, 19th century

Railway turntables, 19th century

Railway turntables, 19th century

Steam engine braces, 19th century

Steam engine valve, 19th century

Steam locomotive tender, 19th century

Compound steam locomotive, 1880s

Train wagon chassis, 19th century

Reheating hot water tanks, 19th century

Train frequencies, 19th century

Railway signals, 19th century

Railway signals, 19th century

Serpollet steam tricycle, 19th century

Serpollet steam car, 19th century

Dion steam carriage, 19th century

Francois d'Arlandes, French ballonist

Montgolfier 'Le Flesselles' balloon, 1784

Vicenzo Lunardi, Italian aeronaut

Jean Pierre Blanchard, French balloonist

'Le Comte d'Artois' balloon, 1785

Francesco Zambeccari, Italian balloonist

Nadar, French balloonist

Eugene Godard, French aeronaut

Andre-Jaques Garnerin, French aeronaut

Joseph Croce-Spinelli, French journalist

Theodore Sivel, French naval officer

Salomon Andree, Swedish balloonist

Charles Renard, French engineer

Lana Terzi's airship, 17th century

Etienne Lenoir, French engineer

Nikolaus Otto, German engineer

Pennsylvania oil rush, 1860s

Railway oil transportation, 19th century

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

Otto petrol engine, 19th century

Car engine and magneto, illustration

Balloon engine and magneto, illustration

Campbell petrol engine, illustration

Gardner petrol engine, illustration

Brouhot petrol engine, illustration

Forest 32-cylinder aviation engine, 1888

'America' McCormick turbine, illustration

Turbine parts, 19th century

Hercule-Progres turbine, 1890s

Wind turbine, illustration

Windmill, 19th century

Henrich Ruhmkorff, German inventor

Louis Breguet, French physicist

Moissan furnace, 19th century

Hauksbee electrostatic generator, 1709

Holtz electrostatic generator, 1865

Lightning rods, 19th century

Volta's 'Crown of Cups' battery, 1800

Electromagnetic needle effect, 1820

Chromic acid battery, 19th century

Camacho cascade battery, 1870s