Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 328
entstrength, may not be properly adjusted for a line having a strongercurrent. Frequently when placed on a very short and therefore lowresistance line, the magnetic attraction of the cores is sufficient topull the diaphragm into contact with the pole pieces, thus destroyingall possibility of its… … ^siJFt FIG. 2G6.—WESTERN ELECTRIC SUB-STATION CIRCUIT. Company for the various Bell companies. In this arrangement,which is shown in Fig. 256, the receiver is included in a local cir-cuit which also includes, when the hook is raised, one winding of aninduction coil, and a two-microfarad condenser,…
Telephone
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