Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 897
er and shunt, giving a deflection which should be noted. Withthe switch, V, at the right, the cable may be charged or discharged inthe same manner, and the deflection produced by its discharge noted.About seven cells of battery is usually sufficient for making capacitytests on telephone cables. If…
Telephone
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