TY  - BOOK
AU  - Penman,Laurie
TI  - Common clock escapements: a description of common escapements and practical workshop methods for mechanical clocks ancient and modern 
SN  - 9781481837156
PY  - 2013///
CY  - [England?]
PB  - [Publisher not identified]
KW  - Clocks and watches
KW  - Escapements
KW  -   escapement verge anchor/lever detached/free clock technical practical
KW  - The Author
KW  - Penman, Laurie
KW  - Clock (general)
ER  -