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File:Pénaud's flying models (cropped).jpg

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Pénaud's_flying_models_(cropped).jpg (500 × 219 pixels, file size: 56 KB, MIME type: image/jpeg)

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Description
English: Three of Alphonse Pénaud's flying models. Top to bottom: the Hèlicoptère, the Planophore and the flapping wing Mechanical Bird. Early 1870s.
Date
Source Encyclopaedia Britannica (?)
Author Unknown authorUnknown author
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52aabbac899a5e35813a61c108b237aa2ead333a

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Date/TimeThumbnailDimensionsUserComment
current00:32, 10 May 2021Thumbnail for version as of 00:32, 10 May 2021500 × 219 (56 KB)NiD.29File:Pénaud's flying models.jpg cropped 71 % vertically using CropTool with precise mode.

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