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厄文‧托馬許藏書: 運算的歷史

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Philosophical Transactions
TWO VOLUMES, COMPRISING:
i. Rowning, John (1701?-1771). Directions for making a machine for finding the roots of equations universally with the manner of using it (extracted from: Phil. Trans. vol. LX, (1770) pp.240-256. London: Royal Society of London, 1770, 4to, folding engraved plate, recent brown morocco, modern folding cloth box, (bought from Historical Technology, Marblehead, MA, 1986), [T&W R120]
ii. Gersten, Christian Ludwig (1701-1762). The description and use of an arithmetical machine (extracted from: Phil. Trans. vol. XXXIX (1735) pp.77-118. London: Royal Society of London, 1735, 4to, engraved plate, disbound, (bought from Biblion, 1983), [T&W G40; Randell 1979 p.132], plate loose
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“After a brief survey of the work of Morland, Leibniz, Poleni, Leupold, and Pascal, Gersten states that his work was motivated by the Leibniz machine, but was developed independently of both the mechanisms of Leibniz and Pascal. Then gives an extremely detailed description of his machine, its inner mechanism, and method of use” (Randell).

厄文‧托馬許藏書: 運算的歷史

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