File:Leonardo da Vinci helicopter and lifting wing.jpg

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Leonardo_da_Vinci_helicopter_and_lifting_wing.jpg (364 × 504 pixels, file size: 62 KB, MIME type: image/jpeg)

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Transferred from en.wikipedia to Commons by Maksim.

The original description page was here. All following user names refer to en.wikipedia.

Summary

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Leonardo Da Vinci. Helicopter (top) and experiment on lifting power of wing (bottom). British Museum, London.

Licensing

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This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details.
date/time username edit summary
07:49, 08 july 2009 en:User:BrettRob
07:48, 08 july 2009 en:User:BrettRob (<a href="/wiki/Leonardo_Da_Vinci" title="Leonardo Da Vinci">Leonardo Da Vinci</a>. Helicopter (top) and experiment on lifting power of wing (bottom). British Museum, London. {{PD-Art|PD-old-100}})

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Date/TimeThumbnailDimensionsUserComment
current12:24, 1 April 2006Thumbnail for version as of 12:24, 1 April 2006364 × 504 (62 KB)Maksim (talk | contribs)La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Summary == Leonardo Da Vinci. Helicopter (top) and experiment on lifting power of wing (bottom). British Museum, London. == Licensing == {{PD-art}} {| border="1" ! date/time

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