Workshop notes for jewelers and watchmakers : being a collection of the latest practical receipts on the manufacture and repairing of watches and clocks, and on the various processes entering into the manufacture and repairing of jewelry, as coloring, polishing, enameling, annealing, oxydizing, etc. ... (1899)
Brassler, Charles · New York : Jewelers' Circular Pub. Co. · leaf 2
Clock and watch making · Goldwork · Silverwork · Jewelry
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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