TY  - BOOK
AU  - Lavest,R.
TI  - The elements of watchcraft
PY  - 1949///]
CY  - Bienne (Switzerland)
PB  - C. Rohr
KW  - Clocks and watches
KW  - Clock and watch making
KW  - fast
KW  - Education
KW  - Switzerland
KW  - Watch basic practical
KW  - Grandvoinet R. [Translator]
KW  - Watch (general)
ER  -