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Médaille hughes Photos ❘ Science Photo Library

Hughes' carbon microphone,19th century
11593336 - Hughes' carbon microphone,19th century
Hertha Marks Ayrton,British engineer
12052296 - Hertha Marks Ayrton,British engineer
Robert Millikan,US physicist
12050887 - Robert Millikan,US physicist
John Randall,British physicist
11685972 - John Randall,British physicist
William Duddell,British engineer
11674696 - William Duddell,British engineer
Hertha Marks Ayrton,British engineer
12052295 - Hertha Marks Ayrton,British engineer
Joseph Swan,British inventor
11674695 - Joseph Swan,British inventor
Hertha Marks Ayrton,British engineer
11674716 - Hertha Marks Ayrton,British engineer
Alexander Boksenberg,British astronomer
11678997 - Alexander Boksenberg,British astronomer
Michele Dougherty,British astrophysicist
11679002 - Michele Dougherty,British astrophysicist
Thomas Cowling,English astronomer
11827978 - Thomas Cowling,English astronomer
Michael J. Seaton,British astronomer
11831169 - Michael J. Seaton,British astronomer
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