Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 314
ommonly carried on in com-bination with the supply for an electric-lighting system. Thefeeding consists of a chemical change in the cell, whose ele-ments, Mhen the charging ceases, give up in the form of electricitythe energy thus imparted. As the dynamo is the source of energy for the storage… … Fig. 16. used come into view; and a definition of them, in connection withfamiliar forms, is first in order. The cores in the electromagnet of the sounder, as the stu-dent knows, attract the armature. The free ends of the coresare the poles; and if a penknife is placed near, it is drawntowards the…
Electrical engineering
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