File:Schema.mouvement.mangonneau.png
Schema.mouvement.mangonneau.png (608 × 536 pixels, file size: 23 KB, MIME type: image/png)
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...Ceci compris, la figure 16 indique le mouvement de rotation de la verge. La bride mobile de la fronde ne quittera le style que lorsque le projectile aura dépassé le rayon du cercle décrit par la verge, qu'au moment où les brides de la fronde formeront avec la verge un angle, ainsi qu'il est tracé dans la position A. Alors, l'une des brides de la fronde continuera à tirer sur l'étrier, tandis que l'autre se relâchera, et la force centrifuge imprimée au projectile fera échapper la boucle du style, comme nous le voyons en M. Le projectile libre décrira sa parabole...
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This image comes from Dictionary of French Architecture from 11th to 16th Century (1856) by Eugène Viollet-le-Duc (1814-1879).
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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. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:55, 18 January 2006 | 608 × 536 (23 KB) | BuzzWikimedia (talk | contribs) | ...Ceci compris, la figure 16 indique le mouvement de rotation de la verge. La bride mobile de la fronde ne quittera le style que lorsque le projectile aura dépassé le rayon du cercle décrit par la verge, qu'au moment où les brides de la fronde former |
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