Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 490
ht, it is prevented frommoving back by the insulated end of this protruding contactIn this condition, the incandescent lamps are included in thecircuit—that is to say, the circuit divides at one point into several THE HOCKHAUSEN INCANDESCENT LAMP. 469 branches, in wlii»li are included the lamps—one… … Fig. 284. The relay feels this increase, and its armature comes against acontact which closes the circuit through another branch, includingan equivalent resistance placed in the case, and consisting of wirewound on wooden reels, every turn of the wire being accessibleto the air so as to admit of…
Electrical engineering
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