Paris, Estienne Michallet, 1688.
Reference : 18353
Rare première édition. Illustré par 2 planches hors-texte représentant un compas fabriqué par Chapotot. Très bel exemplaire. /// In-8 de 138 pp., 2 planches h.-t. Veau, dos à nerfs orné. (Reliure de l'époque.) //// The rare first edition. Illustrated with 2 plates out of text showing a compass manufactured by Chapotot. "By the time Ozanam decided to write on the sector, it was a well-known instrument and had been developed into many different forms. The text is a description of a simple sector with only a few scales (line of lines, polygons, planes, solids and chords), but these would have sufficed for most of the problems encountered by his readers." Tomash O 69. Very fine copy. /// PLUS DE PHOTOS SUR WWW.LATUDE.NET
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Paris, Charles-Antoine Jombert, 1736. 8vo. Contemp. full vellum. 150,(2) pp. and 1 folded engraved plate, many textdiagrams. Leaves somewhat browned.
Ozanam's work on the proportional compas - first printed in 1688 - became very popular and successfull and it was lastly printed in 1794.""By almost any criterion Ozanam cannot be regarded as a first-rate mathematician, even of his own time. But he had a flair for writing and during his career wrote a number of books, some of which were very popular, passing through many editions.""(DSB).