It's about time
By: [by] Paul M. Chamberlain.
Contributors: Chamberlain, Margaret Phelps Graham, ed.
Publisher: R. R. Smith
Published: 1941
Place of publication: New York
Language: eng
Number of pages: 490
Subjects: Clocks and watches -- Escapements.; Clocks and watches.; Clock and watch makers.
Notes: "Development of the escapement: bibliography": p. 198.  "Bibliographical sources": p. 473-475.
Compiled after the author's death from articles published during the preceding twenty-five or more years. cf. Pref., signed: Margaret Graham Chamberlain.
Table of contents: title: pt. I. Escapements.; title: pt. II. Experiments and unusual time-pieces.; title: pt. III. Famous watchmakers.