Ieyl. stjerneformet Motor Standard Type. 50HK., Jacob Christian Hansen Ellehammer, 1905–19

---

Ieyl. stjerneformet Motor Standard Type. 50HK., 1905–19, Gelatin silver prints from glass negatives, Image: 5 5/8 in. × 4 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

---

Size: 5579px × 3891px
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1871–1946, 1905–19, 4, 5, , 12, , 1906, 1912, 5/8, 50hk, achieved, attention, brothers, christian, cm, craft, danish, ellehammer, engineer, experimental, feat, flight, gelatin, glass, ground, hansen, helicopter, hopping, ieyl, image, invent, isolation, jacob, means, motor, negatives, photographs, prints, september, shifted, silver, standard, stjerneformet, succeeding, success, type, unaware, vertical, vilhelm, worked, wright