TY  - BOOK
AU  - Firl,Oswald
TI  - Die handwerksmässige Feinstellung der Uhren
PY  - 1956///
CY  - Halle (Saale)
PB  - W. Knapp
KW  - Clocks and watches
KW  - Repairing
KW  - fast
KW  - Watch (general)
KW  - Germany
KW  - Practical watch balance wheel performance measuring
KW  - Adjust
ER  -