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Not only would Leonardo describe typically the first lathe along with continuous motion (ibid., fol. 381r-b) although, according to Lomazzo, he must furthermore be credited with the invention of the elliptic lathe, generally attributed in order to Besson (1569). Leonardo described external and internal grinders (ibid., fols. 7r-b, 291r-a) as well while disk and belt…

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