18 - JEAURAT (Edme-Sébastien).

JEAURAT (Edme-Sébastien). Treatise on Perspective for Artists, in which all the practices of this science are demonstrated, and in which, according to the Method of M. le Clerc, how to render all kinds of objects in perspective, their reflections in water, and their shadows, both in sunlight and by torchlight. Paris, Charles-Antoine Jombert, 1750. In-4, comprising VI pp.—[1] f.—240 pp., [1] f. errata, light brown calfskin, decorated ribbed spine, triple gilt fillet framing the covers, gilt edges (contemporary binding). Scuffing on the cap and corners. First edition of this important treatise on perspective, illustrated with 110 engraved figures, several of which are intentionally repeated throughout the lessons to facilitate understanding of the geometric demonstrations. Complete set of 10 separate plates depicting the base and capital of each of the five architectural orders, with cast shadows. One vignette by Soubeyran and 55 tailpieces by P. E. Babel. (Brunet III, 526; Cohen, 517). Jeaurat (1724–1803), an engineer, geographer, and astronomer, was a professor of mathematics at the École Militaire. A few foxing spots or light water stains in places.