xvi p., 1 l., 19-490 p. incl. front., illus. (incl. ports.) diagrs. 27 cm
Type:
Books
Date:
1941
Notes:
Compiled after the author's death from articles published during the preceding twenty-five or more years. cf. Pref., signed: Margaret Graham Chamberlain.
Contents:
pt. I. Escapements.--pt. II. Experiments and unusual time-pieces.--pt. III. Famous watchmakers