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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Brass (Alloy consisting of about)

An alloy consisting of about 65 parts of copper to 35 parts of zinc. This proportion is varied according to the uses to which the alloy is to be put. See Bronzing, Plating and Coloring Metals.

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