Watch adjustment.
Jendritzki, Hans,
Watch adjustment. - [1st edition]. - xvii, 131 pages : (pages 109-131 advertisements) illustrations
Clocks and watches--Repairing.
Clocks and watches--Repairing.
Adjust Balance hairspring practical Watch (general)
Watch adjustment. - [1st edition]. - xvii, 131 pages : (pages 109-131 advertisements) illustrations
Clocks and watches--Repairing.
Clocks and watches--Repairing.
Adjust Balance hairspring practical Watch (general)