Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 86
s. Effect: Cord in question cannot be used. 73. Open condenser at operators set. Effect: Operator cannot hear but can be heard O. K. THE TELEPHONE 2,179 74. Open between battery feed and listening key. 75. Open between listening key and E Key. 76. Open between battery feed and E Key. 77. Short… … Fig. 2,996.—Installing a magneto set: 3. Connecting the dry cells. For ordinary servicetwo cells suffice, however in the case of long toll connections three cells are recommended.To connect two cells, take one of the loose cords furnished with the set and connect one endto the short outside or zinc…
Electrical engineering
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