Dead Center Chuck
By the use of this chuck, shown in Fig. 75, the work can be run on dead centers as well as by the bow or verge lathe, and the motion will be continuous.
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.
By the use of this chuck, shown in Fig. 75, the work can be run on dead centers as well as by the bow or verge lathe, and the motion will be continuous.