Banking Screws
1. The two adjustable screws against which the lever banks. 2. In the chronometer escapement an adjustable screw by means of which the amount of locking of the escape tooth on the locking jewel is limited.
How to true a balance, repair a chipped dial, temper a spring or test a stone — the working bench-book of the American watch trade, arranged A to Z.
1. The two adjustable screws against which the lever banks. 2. In the chronometer escapement an adjustable screw by means of which the amount of locking of the escape tooth on the locking jewel is limited.