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Medal commemorating the discovery of penicillin, 1945
 
Leonid meteor shower, 1870
 
Plaquette commemorating the death of Henri Poincare, French mathematician, 1912
 
Edgar Berillon, French psychologist, 1929
 
Edgar Berillon, French psychologist, 1929
 
Roderick Impey Murchison, Scottish geologist, 1870. Artist: Carlo Pellegrini
 
Thomas Alva Edison's first Phonograph, 1878 (1915)
 
Producing salt by evaporating natural brine by pouring it into a pit of burning charcoal, 1556
 
Jean Henri Fabre, French entomologist, 1911. Artist: L Patriarche
 
Insects, 1911. Artist: L Patriarche
 
The solar spectrum, 1814
 
Using a quadrant with a plumb bob to calculate the height of a tower by triangulation, 1551
 
Justus von Liebig, German chemist, at work in his laboratory, mid 19th century (c1885)
 
Title page of Dialogo, by Galileo, 1632
 
Making Edison light bulbs, 1880
 
Bell telephone, 1882. Artist: Alexander Graham Bell
 
Flight of locks on the Saima Canal, Finland, c1900
 
Solar motor by Aubrey Eneas of Boston, c1905 (c1910)
 
Cretin aged 15, c1890
 
Glass cutter decorating table ware on a carborundum wheel, 1867
 
Various pumps for draining ships, 1816
 
Various pumps for raising water, 1816
 
Boring wooden pipes, and casting and drawing iron pipes, c1825
 
Mendelian inheritance of colour of flower in the culinary pea, 1912
 
Killing Birds of Paradise, New Guinea, 1908
 
Cameramen under fire while filming in the First Balkan War, 1912
 
The Wear above Sunderland Iron Bridge, c1829. Artist: R Francis
 
Villa Tournesol, 1899
 
Potato peeler, 1899
 
Electric overhead monorail at Barmen-Elberfeld (now Wuppertal), Germany,1901
 
Using a laryngoscope to aid the removal of a polyp from the throat, c1890
 
Painting a wound with an antiseptic solution, c1890
 
Typical enlarged spleen of a Malaria patient, c1890
 
Edward Jenner, English physician, 1800
 
Medal commemorating the discovery of smallpox vaccination in 1796 (1800)
 
Obverse of a medal commemorating the bright comet of 1577
 
Reverse of a medal commemorating the bright comet of 1577
 
Obverse of a medal commemorating the brilliant comet of November 1618
 
Reverse of a medal commemorating the brilliant comet of November 1618
 
Hippolyte Fizeau, French physicist, 1870
 
Joseph von Fraunhofer, German physicist, c1895
 
Alexander von Humboldt, German naturalist, c1830. Artist: William Home Lizars
 
Robert Andrews Millikan, American physicist, 20th century
 
Alfred Moritz Mond, 1st Baron Melchett, British industrialist, c1926
 
Linus Pauling, American chemist, c1954
 
John Ross, British polar explorer and naval officer, 19th century
 
Christian Friedrich Schonbein, German chemist, c1898
 
Inclined plane powered by water wheel in used on a canal, 1796
 
Inclined planes for use on canals, 1796
 
Double inclined plane for moving tub boats from one level to another on a canal, 1796
 
Washing ore to extract gold, 1683
 
Furnace for processes where protracted heat required, such as cementation, 1580
 
Athanor or Slow Harry a self-feeding furnace maintaining a constant temperature, 1683
 
Athanor or Slow Harry a self-feeding furnace maintaining a constant temperature, 1683
 
Distillation of Nitric Acid, 1683
 
Laboratory for refining gold and silver, showing typical laboratory equipment, 1683
 
Production of saltpetre (nitre, potassium nitrate, or KN03), 1683
 
Checking the quality of saltpetre (nitre, potassium nitrate, or KN03), 1683
 
Crystallization of saltpetre (nitre, potassium nitrate, or KN03), 1683
 
Von Guericke's demonstration of the strength of a vacuum, 1654 (1672)