A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 533
eter provided withsuitable contacts. The receiver, which is incircuit with the transmitter, has, in some forms,a recording dial on which a continuous record,for a day or week, is made. In cases where it isdesired that a given maximum temperature shallnot be exceeded, an alarm bell, connected… … Fig. 552. Reading Telescope. the alternations of light and shade, and transmitsthe same as variations in the strength of the other- Ftg. SS3- Circuit for Telpherage System. conductors, and driven by means of electricmotors, that take directly from the conductorsthe current required to energize…
Electricity · Electrical engineering
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