It's about time /
It is about time
Paul M. Chamberlain.
- 490 pages : illustrations, portraits
Compiled after the author's death from articles published during the preceding twenty-five or more years. compare Pref., signed: Margaret Graham Chamberlain. "Bibliographical sources": pages 473-475.
"Development of the escapement: bibliography": page 198. Includes bibliographical references (pages 473-475).
GB6606431 bnb
008270261 Uk 009014823 Uk 000653981 Uk
Clocks and watches. Clocks and watches--Escapements. Clock and watchmakers. Clocks and watches. Clocks and watches--Escapements.