Adjustments to positions, isochronism and compensation.
Adjustments to positions, isochronism and compensation.
- 5th edition.
- 55 pages : illustrations ; 15 cm
Pocket watches--Repairing.
Adjust USA positions repair adjust Hazelit Anonymous, Pocket Watch
Pocket watches--Repairing.
Adjust USA positions repair adjust Hazelit Anonymous, Pocket Watch