LEONARDO: AERONAUTICS. Drawing, c1486-90, of a standing ornithopter. A man standing in a bowl-shaped aircraft operates four beating wings by means of a massive transmission of hand-and-foot operated rums, treadles, and the like.
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Details
Creative#:
TOP16153930
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
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