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 69
is necessary to use a polarized bell or ringer in connection withit, so constructed as to ojierate ^Wth an alternating current.Magneto-generators are designated by the resistance throughwhich they will ring, being spoken of as a 10,000-ohm, 20,000-ohm generator, etc. At the exchange it is quite… … ELEMENTS OF ELECTRICITY. 51 Circuits of the Telephone. A complete telephone set is madeup of three distinct circuits: one for the calling apparatus, onefor tlie transmitting apparatus, and one for the receiving appa-ratus. Tlie calling ap^jaratus includes the generator and rmger,the ti-ansmitting…
Electrical engineering
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