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PEURBACH, GEORG VON. Theoricarum novarum textus. With commentary by Francesco Capuano and Silvestro Mazzolini, and text on planetary theory by Jacques Lefèvre d'Étaples. Woodcut text diagrams by Oronce Finé throughout. 2-91 leaves; lacks the title with woodcut by Finé on verso, and unnumbered last leaf with end of text and colophon. 4to, 273x194 mm, late 19th-/early 20th-century calf gilt; dampstaining in lower outer corners, minor paper corrosion along fore edge of last 2 leaves. [Paris: Michel Leslencher, 1515]
first separate paris edition of a textbook of Ptolemaic planetary theory incorporating elements from Arab astronomy, originally published circa 1474, 'of great importance because his models remained the canonical physical description of the structure of the heavens until Tycho disproved the existence of solid spheres. Even Copernicus was to a large extent under their influence, and the original motivation for his planetary theory was apparently to correct a number of physical impossibilities in Peurbach's models relating to nonuniform rotation of solid spheres. Since the Theoricae novae was intended as an elementary work, much of it is devoted to definitions of technical terms . . . it helped to establish the technical terminology of astronomy through the early seventeenth century'--DSB XV, 475. BEA, pages 897-98; Harvard/Mortimer-French 432.
