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Estimate: $ 5,000 - $ 7,000
Guldin, Paul (1577-1643) De Centro Gravitatis Trium Specierum Quantitatis Continuae, Author's Presentation Copy.
Vienna: Formis Gregorii Gelbhaar, 1635.
First edition, small folio, with 5-line inscription on half-title in author's hand presenting this copy to Baron Siegfried Christoph Breiner; illustrated with text diagrams and one folding engraving tacked onto S3 verso, page 138; bound in full contemporary parchment over boards with original green cloth ties intact; this copy sold at the Franklin Institute sale at Sotheby Parke Bernet in 1977; 11 1/4 x 7 1/2 in.
Guldin was of Jewish heritage but raised in Switzerland as a Protestant; he later became a Jesuit. As a scientist, he associated with Kepler and is known for the Guldinus theorem, used to find the surface area and volume of a solid in revolution. In astronomy, this concept is applicable to calculating the surface area and volume of planets, satellites, and other celestial bodies. All steps needed to complete these calculations are explained and illustrated here.
Ex libris Professor, Astronomer, Historian & Bibliophile Owen Gingerich.
