Cylinder Plugs
Steel plugs fitted to the ends of a cylinder and on the ends of which the pivots are formed. Cylinder plugs can be obtained ready made from material dealers; assorted sizes in neat boxes.
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.
Steel plugs fitted to the ends of a cylinder and on the ends of which the pivots are formed. Cylinder plugs can be obtained ready made from material dealers; assorted sizes in neat boxes.