Abbott's American Watchmaker and Jeweler

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.

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Lathe (Mandrel is worked by means)

The mandrel is worked by means of a handle, and is usually made with wheel and pinion, although a round belt or gut is sometimes used. It has a face plate, pump center, tail stock and slide rest. This tool is superfluous where the workman has an American lathe with slide rest and universal head; for on a lathe with these attachments, a greater variety of work can be performed in less time and in a better manner.

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