ior metals from oxidation, but the source of electricity In the central space left between the inward ends of the several metals. magnets, is arranged a shaft which is rotated by the pulley, E. from the various batteries employed has always been an In Fig. 3 is shown a cut of the Weston… … pieces revolving on the shaft, on for plating. It is connected by BLECTEOTTPING APPARATUS.—Fig. 3. whichthey are mounted. One part is means of wires to rods running machine. As will be observed, an iron cylinder, D, forms the slipped upon the shaft and is insulated from it and from the across the…
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