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Updated: May 20, 2025
The French writer Plumier also mentions an ingenious modification of the lathe by means of which any kind of reticulated form could be given to the work; and, from it's being employed to ornament the handles of knives, it was called by him the "Machine a manche de Couteau d'Angleterre."
Such were the works of De la Hire, who described how every kind of polygon might be made by the lathe; De la Condamine, who showed how a lathe could turn all sorts of irregular figures by means of tracers; and of Grand Jean, Morin, Plumier, Bergeron, and many other writers.
The Rest, however, afterwards underwent many important modifications; but the principle of the whole machine was there. PLUMIER, L'Art de Tourner, Paris, 1754, p. 155. Machines approuvees par l' Academie, 1719. Machines approuvees par l' Academie, 1733. L'Art de Tourner en perfection, 49.
The work of Plumier is especially elaborate, entering into the construction of the lathe in its various parts, the making of the tools and cutters, and the different motions to be given to the machine by means of wheels, eccentrics, and other expedients, amongst which may be mentioned one very much resembling the slide rest and planing-machine combined.
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