Images Vidéos

JOHN FRITZ MEDAL Photos ❘ Science Photo Library

John Fritz,American mechanical engineer
11828611 - John Fritz,American mechanical engineer
John Edson Sweet,US engineer
11831063 - John Edson Sweet,US engineer
Ralph Modjeski,Polish-US bridge engineer
11699184 - Ralph Modjeski,Polish-US bridge engineer
Elihu Thomson,British-American engineer
11618812 - Elihu Thomson,British-American engineer
George Westinghouse,US inventor
11831624 - George Westinghouse,US inventor
Alexander Graham Bell,British inventor
11827466 - Alexander Graham Bell,British inventor
Henry M. Howe,American metallurgist
11829173 - Henry M. Howe,American metallurgist
Thomas Edison,American inventor
11828423 - Thomas Edison,American inventor
Robert W. Hunt,US engineer
11829169 - Robert W. Hunt,US engineer
James Douglas,US metallurgist
11828198 - James Douglas,US metallurgist
Elihu Thomson (1853-1937),American engineer
11831297 - Elihu Thomson (1853-1937),American engineer
Thomas Edison,American inventor
11828395 - Thomas Edison,American inventor
George Westinghouse,American engineer
11831572 - George Westinghouse,American engineer
Charles Talbot Porter,US engineer
11830538 - Charles Talbot Porter,US engineer
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