513
513
Peurbach, Georg von (1423-1461)
QUADRATUM GEOMETRICUM. NUREMBERG: JOHANN STUCHS, 17 JUNE 1516
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513
Peurbach, Georg von (1423-1461)
QUADRATUM GEOMETRICUM. NUREMBERG: JOHANN STUCHS, 17 JUNE 1516
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拍品詳情

厄文‧托馬許藏書: 運算的歷史

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倫敦

Peurbach, Georg von (1423-1461)
QUADRATUM GEOMETRICUM. NUREMBERG: JOHANN STUCHS, 17 JUNE 1516
Folio (284 x 205mm.), 10 leaves, A6 B4, title-page and tables printed in red and black, large woodcut on title-page, woodcut and manuscript diagrams, modern vellum, occasional light foxing or water-staining, paper slightly friable at head and foot of first few leaves
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來源

bought from Martayan Lan, New York, 1990

出版

Tomash & Williams P61; USTC 688980; VD16 P2054; Zinner 1059

相關資料

FIRST EDITION of Peurbach's description of the geometric square, which is illustrated on the title-page; although it was not his invention, this is considered the first description of it and it subsequently became a popular instrument for surveying. "It consists of a description of an instrument made up of an open square with two graduated sides and a pointer and sight attached to turn on the vertex opposite the graduated sides. The instrument is used for measuring altitudes of heavenly bodies or objects on the earth and, by taking measurements from different positions, for determining the distance of inaccessible objects on the earth. Instructions and tables were provided for each application" (DSB, XV, pp.477-478). It was dedicated to Johannes Vitez (1408-1472), the archbishop of Esztergom, a humanist and mathematician who was tutor to Matthias Corvinus.

厄文‧托馬許藏書: 運算的歷史

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倫敦