174 - [WATCHMAKING]. SAUNIER, Claudius. Treatise on Modern Watchmaking: Theory and Practice.

[WATCHMAKING]. SAUNIER, Claudius. Treatise on Modern Watchmaking: Theory and Practice. The finest edition of Claudius Saunier’s great treatise on watchmaking, illustrated with 100 figures in the text and 29 separate plates, including 21 double-page color plates compiled in a separate volume. Paris, Revue Chronométrique, 1887. 2 large 8vo volumes (270 x 180 mm), red half-shagreen, spine with faux raised bands framed by cold-stamped fillets, author’s name and title in gilt letters (contemporary binding). Text volume: VIII and 944 pages, 100 black-and-white figures in the text and 8 plates (including 1 fold-out); Atlas: 21 double plates engraved in black and color by Fournier after Saunier. Bindings rubbed with slight losses, scattered foxing. Third edition, revised and expanded, known as the C. Detouche edition, of the seminal 19th-century treatise on watchmaking, written by Claudius Saunier, founder of the Paris School of Watchmaking and a leading figure in the profession. It is illustrated with 100 figures in the text and 8 black-and-white plates, as well as 21 superb plates engraved in black and in color, collected in a separate volume. Contents: treatises on escapements, gear trains and movements, the pendulum, the ring balance, the hairspring, and regulation. A solid copy.