Know the escapement
By: by Sarah & Homer A. Barkus.
Contributors: Barkus, Homer A., joint author.
Edition: Rev. and extended ed., 1945.
Publisher: The Neyenesch printers, inc.
Published: 1945
Place of publication: San Diego, Calif
Language: eng
Number of pages: 130
Subjects: Clocks and watches -- Escapements.
Notes: "First edition 1943."