Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 159
e line, its circuit in relation with {he line depending in LOCAL BATTERY SUB-STATION EQUIPMENTS. 137 nowise on the position of the hook. The generator, G, is likewiseindependent of the hook in regard to its connection with the hne,but is normally on open circuit at the point, a, which is closed… … FIG. m.-BRIDGING CIRCUIT—HOOK DOWN. generator, G, when operated automatically closes the contact, a, andsends current out to the line past the terminals of the call bell, C.Where used on party lines the call bells of all the stations on theline are placed in multiple and are therefore all…
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