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Elisha Graves Otis 1811-1861
Photograph - Photograph
Elisha Graves Otis (1811-1861), demonstrating his patent safety lift at the 1854 New York World's Fair. Above the elevator, a man cut the elevator's only supporting rope with an ax, but the elevator did not fall more than a few inches, because of Otis invention, an elevator brake.
December 6th, 2011
Viewed 464 Times - Last Visitor from Barneveld, 03 - Netherlands on 01/19/2015 at 10:44 AM
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