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2 unusual facts about Geneva drive


Geneva drive

The Geneva drive is also commonly called a Maltese cross mechanism due to the visual resemblance when the driven wheel has four spokes.

Previous projectors, including Thomas Armat's projector, marketed by Edison as the Vitascope, had used a "beater mechanism", invented by Georges DemenĂ¿ in 1893, to achieve intermittent film transport.



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