Dominique François Rivard - Traité de la Sphère - 1743

Rare illustrated edition with 3 fold-out plates of this scientific and pedagogical work devoted to the fundamental principles of spherical astronomy, to the geometric representation of the sky and to the understanding of the apparent motions of the stars -

This second edition, revised, corrected and enlarged by the author, testifies to the desire to make astronomical knowledge more accessible to students, to teachers and to readers eager to understand the organization of the celestial world -

At a time when astronomy occupies an important place in the teaching of mathematics, natural philosophy and navigation, Rivard offers a methodical presentation of the notions necessary to represent the Earth and the celestial sphere, determine the position of the stars and explain the phenomena observed from different points on the globe -

M. Rivard - Treatise on the Sphere - 1743 - Jean Desaint & Charles Saillant -
251 pages

Good condition of the binding, work in its full period calfskin binding, epidermises, wear in use, some minor defects on boards and spine, missing headpieces, cracked joints, worn corners, rubbing on the edges, red-speckled edges, spine with raised bands, gilt titling on a piece of fauve morocco, cold-stamped rules on the boards -

Good interior condition, a few scattered foxing, a beautiful vignette and handwritten annotations on the title page, pretty headbands, second edition in which a Treatise on the Calendar was added, complete work with the 3 fold-out plates (one with a stain) and numerous tables, endpapers in decent condition, good copy -

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