File:Belli's doubler II.jpg
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English: Belli's "duplicatore" was the first symmetrical "doubler" with rotating motion. It was described by the Italian scientist Giuseppe Belli in the third volume of his Treatise on Experimental Physics, published in 1838, described as a prototype for a more powerful machine that Belli had already described in a paper in 1831. The machine didn't attract much attention initially, but when Lord Kelvin described his "Replenisher" in 1868, the structure was recognized as essentially the same of Belli's device. By Dr. Antônio Carlos M. de Queiroz (in memoriam).
http://www.coe.ufrj.br/~acmq/belli/ https://www.youtube.com/user/acmdq2007/videos |
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| Source | Own work |
| Author | DrAntonioCarlosMdeQueiroz |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 18:03, 31 May 2021 | | 800 × 468 (55 KB) | DrAntonioCarlosMdeQueiroz (talk | contribs) | Uploaded own work with UploadWizard |
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