File:Pénaud's flying models.jpg
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Summary
Three of <a href="https://en.wikipedia.org/wiki/en:Alphonse_P%C3%A9naud" class="extiw" title="w:en:Alphonse Pénaud">Alphonse Pénaud</a>'s flying models. Top to bottom: the Hèlicoptère, the Planophore and the flapping wing Mechanical Bird. Early 1870s.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:49, 13 January 2017 | | 500 × 764 (138 KB) | 127.0.0.1 (talk) | Three of <a href="https://en.wikipedia.org/wiki/en:Alphonse_P%C3%A9naud" class="extiw" title="w:en:Alphonse Pénaud">Alphonse Pénaud</a>'s flying models. Top to bottom: the <i>Hèlicoptère</i>, the <i>Planophore</i> and the flapping wing <i>Mechanical Bird</i>. Early 1870s. |
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