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 200
changing temperatures and revolution of the earth on its axis, and by improves the conductibility of the mercury , reducing all these errors to a minimum we •causing the compensation to respond more are furnished with an instrument that per¬ promptly to sudden changes. The four-jar forms its work…
Clock and watch making · Goldwork · Silverwork · Jewelry
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
