Tchirnhausen, Ehrenfried Walther Von, 1631 ? 1708 (German mathematician)

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An abstract of 1676 correspondence to a colleague from Tchurnhaus, on radicals in equations.

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A short treatise on some of the recent evolution in maths.

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Hand-copy of an article (Act. Eruditorum Lipsiae, Mar. 1683) by Tschirnhaus, on maxima and minima. The hand may not be Gregory's.

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A 11-page tranche of workpapers in which Gregory derives his own conclusions from the work of Tchirnhausen.

Scope and Contents The papers of David Gregory consist of: These are mostly handwritten items, bound together as a volume, though with some loose insertions of manuscripts which had strayed, some of them with modern annotations concerning their provenance. Their scope and content is as David Gregory indexed them, save for the missing items, which consist of two dozen papers and letters on general physics and maths, and...

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An index, in Gregory's hand, to the material he designated as Folio C.

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Gregory learns more quadrature from Tchirnhausen.

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Fenton on quadrature, with a passing reference to Tchirnhausen, in Gregory's hand.

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Tschirnhaus on tangents.

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Tschirnhaus on algebra, in Gregory's hand.