A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 61
Fig>53 Plug-Key. … Fig. S4- Multiple Switchboardfor Electric Light. In Multiple Switchboards for the Electric Lightor Distributing Switches, spring-jack contacts areconnected with the terminals of different circuits, Boa.] 52 [Bod, and plug switches with the dynamo terminals.By these means, any dynamo can be…
Electricity · Electrical engineering
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