Kleinlein, Walter J. 1876-
Practical balance and hair-spring work,
by Walter J. Kleinlein.
- [1st edition].
- ix, 115 pages : illustrations, diagrams ; 18 cm
26016154
Clocks and watches--Repairing.
Clocks and watches--Repairing.
Adjust USA Watch adjusting theory practical how-to Watch (general)