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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Rouge, Ruby Pin & Ruby Roller

Rouge

See Red Stuff.

Ruby Pin

The impulse jewel set in the roller of the lever escapement.

Ruby Roller

The roller in the duplex escapement which locks the escape wheel teeth.

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