TY  - BOOK
AU  - Kleinlein,Walter J.
TI  - Practical balance and hair-spring work,
PY  - 1925///]
CY  - [Boston]
PB  - The Author
KW  - Clocks and watches
KW  - Repairing
KW  - fast
KW  - Adjust
KW  - USA
KW  - Watch adjusting theory practical how-to
KW  - Watch (general)
ER  -