Education

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Raynal Abbe Guillaume ThomasABAA

Revolution De L'Amerique

GALILEIANA / JESUIT EDUCATION / MARCHELLI GiovanniABAA

Trattato del Compasso di Proporzione.

17595386Milan: Giuseppe Galeazzi 1759. Hardcover. Near Fine. 8vo 20.2 x 14.4 cm. XXII pp. 352 pp. 8 ff. with 1 large 40 x 50 cm folding plate containing 5 illustrations; title-page printed in red and black engraved device on title. Bound in contemporary publisher's binding title in ink on spine. Minor edge wear minor staining to lower cover. Quires C and E loosening internally very fresh and clean retaining deckle at fore-edge and bottom edge toning to plate marginal paper flaw and rear reinforcement of crease to plate otherwise an excellent copy. Rare first and sole edition of this treatise on the proportional compass written by the Jesuit Giovanni Marchelli. The work was expressly written for the use of Marchelli's mathematics pupils in the Jesuit College of Milan and thus provides interesting evidence for the use of scientific instruments in Jesuit education. The text offers an advanced understanding of Galileo's landmark instrument and coming from a Jesuit it is perhaps notable that Galileo's "invention" of the instrument is so candidly celebrated. The proportional compass or 'sector' in fact combines two separate instruments one for making observations by adding a quadrant to its arms the other to calculate various measures like proportion trigonometry and squares and cube roots. Its several scales permit easy and direct solutions for problems in surveying gunnery and navigation. Conceived as a universal instrument the device was adapted for a variety of pedagogical purposes far more diverse than Galileo's sector ranging from pure geometry to such practical operations as taking measurements for the architectural orders p. 11 converting currency and calculating interest p. 42 performing various 'rule-of-three' operations such as the dissolution of business partnerships p. 53 surveying passim and the construction of Napier tables p. 73. The compass scales are well illustrated and the text includes tables giving the positions of the various markings. The large folding plate provides diagrams "for constructing Galileo's quadrant" that show with great refinement exactly where the markings on the quadrant's arm and tangent are to be engraved. The final chapter deals with military problems such as the determination of the caliber of cannon balls. OCLC locates copies at Adler Planetarium Michigan Oklahoma Woodstock Theological. De Backer-Sommervogel V.525 4; Cinti 177; Carli-Favaro 128; Tomash II.M34. <br/> <br/> Giuseppe Galeazzi hardcover books

Martayan Lan, Inc. · États-Unis4 500,00 $US≈ 3 807,45 €

Education

Revolution De L'Amerique

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Revolution De L'Amerique

Sermon que en la solemnidad de accion de gracias que celebró la villa de Madrid el dia 13 de Julio de 1784 en la iglesia de Santa Maria de la Almudena por el nacimiento de los dos infantes Cárlos y Felipe y por la paz

The London Magazine: or Gentleman's Monthly Intelligencer February-December 1783 with the appendix

The Peerage of Ireland: Or an Exact Catalogue of the Present Nobility with The Signification of Most Things that are Born in Heraldry with the Explanation of their Natural Qualities.

The Rod a Poem. In Three Cantos

Tratado Sobre a Origem Enatureza do Testamentos.D. João de Bragança

Trattato del Compasso di Proporzione.

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