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10 résultats pour : early 1900s inventions

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Photographie
UMG22A55_133

Photographie

Photographie
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Photographie

Pumping bot examined
UMG22A21_385

Pumping bot examined

S.P. Ferguson with a machine that measures snow and hail
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S.P. Ferguson with a machine that measures snow an...

S.P. Ferguson with a machine that measures snow and hail
UMG22A07_228

S.P. Ferguson with a machine that measures snow an...

This is what is left of a tri-phibian, a device intended to fly in the air, run on the highway, or through the water. The inventor, Mr. Viachos of Washington, was in it when it blew up. circa 10/25/1...
UMG21A22_300

This is what is left of a tri-phibian, a device in...

Patent Drawing for A. F. Knight's Golf Club 1903.
UMG21A20_365

Patent Drawing for A. F. Knight's Golf Club 1903.

Leg saver. Chester Antos, student at Georgetown University medical school, photographed with the newly devised Emerson suction pressure apparatus which designers believe will prevent amputation in man...
UMG21A22_493

Leg saver. Chester Antos, student at Georgetown Un...

Artificial Christmas Tree 1911.
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Artificial Christmas Tree 1911.

Fleming's First Vacuum Tube
UMG20A21_440

Fleming's First Vacuum Tube