Mandrel
A cheap form of lathe, but little used in this country, being superseded by the American lathe. It is known also as the Swiss Universal
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.
A cheap form of lathe, but little used in this country, being superseded by the American lathe. It is known also as the Swiss Universal