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American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 896

An illustration from American telephone practice, 1905, leaf 896
illlll FIG. 638.—CAPACITY TEST. the condenser with that produced by the charge of the cable, a directcomparison may be made between the capacity of the cable and thatof the condenser. Thus, if with the m shunt the discharge fromthe condenser gave a deflection of 100 scale, divisions, the capacityof… … FIG. 639.-CAPACITY TEST FOR CABLE. the discharge of the cable produced a deflection twice as great, we would know that the capacity of the cable was 2 X -^ ^= - micro-farad. 1° 5 Convenient connections for making capacity tests are shown inFig. 640, where G is the galvanometer, .S the shunt, C the…

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