Samme Motor i Marine Flyvebaad., Jacob Christian Hansen Ellehammer, 1905–19

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Samme Motor i Marine Flyvebaad., 1905–19, Gelatin silver prints from glass negatives, Image: 3 5/16 × 4 5/16 in. ( × cm), Photographs, Jacob Christian Hansen Ellehammer (Danish, 1871–1946), Vilhelm Ellehammer (Danish), Unaware of the Wright brothers' success, the Danish engineer Ellehammer worked in isolation to invent a means of flight, a feat he achieved on September 12, 1906. He soon shifted his attention to vertical flight craft, succeeding in 1912 in hopping along above ground in an experimental helicopter

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Size: 5478px × 3833px
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

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