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Paul Vieille, French chemist

Eleuthere Mascart, French physicist

Joseph Boussinesq, French physicist

Acetylene production, 19th century

Anabasis aphylla, 19th century

Aspidiotus insect male, 19th century

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

Peugeot Phaeton automobile, 1894

Sisymbrium flowering plant, 19th century

Electric cooking stove, 19th century

Louis Figuier, French science writer

Metallurgical blast furnaces, 1899

Dual-Brabant plough, 19th century

Amber industry, early 20th century

Henri Coudreau, French explorer

Hermann von Helmholtz, German physicist

Caving in Switzerland, 19th century

Antoine Becquerel, French physicist

J-L. Dutreuil de Rhins, French explorer

Snapping turtles, 19th century

Dishwashing machine, 19th century

Turbine design, 19th century

Key-locking nut device, 19th century

Industrial gas engine, 19th century

Gigantism and acromegaly, 19th century

Balata rubber tree, 19th century

Carpet weaving in Kurdistan, 19th century

Michael Faraday, British physicist

Gaston Plante, French physicist

Antoine Fourcroy, French chemist

Antoine Lavoisier, French chemist

Mechanical colour test, 19th century

Claude Louis Berthollet, French chemist, illustration

Claude Louis Berthollet, French chemist, illustration

Henri de Ruolz, French industrial chemist

Mercury orbit hypotheses, 19th century

Liquid air experiments, 19th century

Liquid air experiments, 19th century

Alligators in captivity, 19th century

Cartoon of Frank Crisp, 1890

Jean-Baptiste Marchand, French explorer

Formaldehyde disinfection, 19th century

Theophile-Jules Pelouze, French Chemist

Liquid air experiments, 19th century

Strongman, early 20th century

Marcellin Bertholet, French chemist

Canal construction machine, 19th century

Claude Berthollet, French chemist

Antoine Francois Fourcroy, French chemist

Antoine Francois Fourcroy, French chemist

Paul Schutzenberger, French chemist

Sterilization of milk, 19th century

Gaspard Monge, French mathematician

Thaler sensory illusion, 19th century

Mont Blanc first ascent monument, 1887

Food safety tests, 19th century

Prehistoric man with fire, illustration

Pierre Germain, French inventor

Andre-Marie Ampere, French physicist

Louis Thenard, French chemist

Louis Breguet, French physicist

Henri de Ruolz, French industrial chemist

Marchand expedition across Africa, 1890s

Egyptian jerboas, early 20th century

Statue of Nicolas de Condorcet, 1894

Sulphite process for wood pulp, 1898

Nuraghe Losa, Sardinia, 19th century

Electricity transformer, 19th century

George Elkington, British industrialist

Pierre Macquer, French chemist

Heinrich Rose, German chemist

Eilhard Mitscherlich, German chemist

Moissan furnace, 19th century

Anthracite coal industry, 19th century

Juggling tricks, 19th century

August Wilhelm Hofmann, German chemist

August Wilhelm Hofmann, German chemist

Michael Faraday, British physicist

Dodos, 19th century

Henri Etienne St Claire Deville, French chemist

Mammoth carving on ivory, 19th century

Henrich Ruhmkorff, German inventor

Louis Thenard, French chemist

Amber industry, early 20th century

Conjoined twins, early 20th century

Antoine Lavoisier, French chemist

Claude Louis Berthollet, French chemist

Tessie du Motay, French chemist

Luigi Galvani, Italian anatomist

Charles Wheatstone, British physicist

Giovanni Caselli, Italian physicist

Lord Kelvin, British physicist

Henri de Ruolz, French industrial chemist

Hippolyte Fizeau, French physicist

Derailed train, 19th century

Alfred Nobel, Swedish chemist

Humphrey Davy, British chemist

Crop sprayer, 19th century

Rotary reading wheel, 19th century

Columbus statue, Philippines, 1899

Bearded lady, 19th century

Carpet weaving in Turkey, 19th century

Francois van Rysselberghe, Belgian engineer

Robert Bunsen, German chemist

Jean-Baptiste Boussingault, chemist

Robert Bunsen, German chemist

Eclipsing binary star diagrams, 1895

Serpollet steam car, 19th century

Mekarsky compressed air engine, 1870s

Alcoholism research, 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

Polynesian canoes, 19th century

Paper mill industry, 19th century

Diamond mine security, early 20th century

Spiritism, historical illustration

Creation of an homunculus, illustration

Xavier Chabert, French-US magician

Pierre Joseph Macquer, French chemist and physician

Jacques Charles, French balloonist

Benn Pitman, shorthand inventor

Indian camp, Klondike Gold Rush, 1900

Gramme dynamo, 1870s

Hauksbee electrostatic generator, 1709

Holtz electrostatic generator, 1865

Plante accumulator battery, 1859

Thomson galvanometer, 1850s

Deprez-d'Arsonval galvanometer, 1882

Ammeter and shunt, 19th century

Ammeter and recorder, 19th century

Voltmeter recorder, 19th century

Decade resistance box, 19th century

Ohmmeter, 19th century

Electricity meter, 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

Lightning arrester, 1900s

Lightning arrester, 1900s

Carbon electric arc lamp, 1800s

Lighthouse electric light, 19th century

Antoine Lavoisier, French chemist

Nikolaus Otto, German engineer

Windmill, 19th century

Claude Chappe, French engineer

Doedicurus fossil, 19th century

Joseph von Fraunhofer, German optician

Steller's sea cow, 19th century

Lighthouse of Alexandria, illustration

Zoology lesson, 19th century

Johann Kunckel, German chemist

Roger Bacon, English natural philosopher

Pierre-Oscar Figuier, French chemist

Eiffel Tower's electric lamp, 1889

19th century anatomy demonstration

Lawson's telescope, 1853

Robert Kane, Irish chemist

Dmitri Mendeleev, caricature

Apothecary shop, historical illustration

Apothecary shop, historical illustration

Fevre's explanation of chemical characters

Sensory nerve experiments, 19th century

Franklin in his laboratory, 18th century

Electrical decomposition of water, 1800

Royal Institution electric battery, 1813

Matchstick factory, 19th century

James Sheridan Muspratt, Irish chemist

Electroplating apparatus, 19th century

Thomson telegraph recorder, 19th century

Hooke telegraph system, 1684

Chappe telegraph system, 1790s

Optical telegraphy, 19th century

Pneumatic messaging, 19th century

Steinheil telegraph, 1830s

Foy-Breguet telegraph, 19th century

Bonelli telegraph, 19th century

Caselli pantelegraph, 19th century

Telegraph tape transmitter, 19th century

Stenotelegraph, 19th century

Telegraph galvanometer, 19th century

Thomson telegraph recorder, 19th century

Bell telephone, 19th century

Ader telephone station, 19th century

Mining order telegraph, 19th century

Richard Francis Burton, British explorer

Richard Francis Burton, British explorer