res may be produced on the surface of the plate. For example, a wire bent into the form of a son expansion gear direct from the governor; the cut- figures of various kinds may be produced by the same letter or figure of any forin may be used as an anode off to the intermediate and low pressure… … mentation of small objects, such as buttons, articles of Fig. 2.—METALLO-CHROMES AND ANODES. Fig. 1—PRODUCTION OF NOBILI’S RINGS. jewelry, ete., imparting to them an iridescence which cannot be imitated by any artificial coloring. All the bearings and wearing surfaces are of liberal plated brass…
Internet Archive · Public domain (published before 1931). Free to use for anything.
