Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 361
s, or from a low voltagedynamo. The earlier art of electroplating was dependent almostentirely upon primary batteries, but the greatest advance in the artcame with the introduction of the electric dynamo, whereby the costof electrical energy was enormously reduced. For small scale andexperimental… … Fig. 2. Plating Dynamo with Double CommutatorCourtesy of Munning-Loeb Company to six volts and sometimes even higher, dependent upon the generalnature of the work to be done. The low voltage plating dynamo is in general similar to thedirect-current dynamo used for lighting and power purposes…
Electrical engineering
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