Essential information on clock, watch and chronometer escapements.
Modern Gardner-style cloth boards with gilt tooled leather title on spine, three parts bound in one: Les Échappements a Recul; Les Échappements a demi-Recul; and Les Échappements Libres. 37 + 116 + 181 pages, many illustrations. France, no date, but published between 1951 and 1953.
The indispensable accompaniment to the earlier work by Gros.
All in fine unused condition, a very good copy of this now scarce and immensely valuable compilation.
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