TY  - BOOK
AU  - Kleinlein,Walter J.
TI  - Practical balance and hair-spring work,
PY  - 1992///
CY  - Arlington, Virgina
PB  - Arlington Book Company
KW  - Clocks and watches
KW  - Repairing
KW  - Adjust
KW  - USA
KW  - hairspring
KW  - Kleinlein, Walter J
KW  - Watch (general)
N1  - Reprint of original: [Boston] : The Author, ©1925
ER  -