Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 892
connectedwith resistance, R, in Fig. 635, will be connected one with the wireand the other with the sheath of the cable as shown in Fig. 636.Care must be taken that the wire being measured is carefully insu-lated from the sheath at the other end of the cable. The shunt, S,is then cut out of circuit… … FIG. 636.—INSULATION RESISTANCE OF CABLE. in parallel with the galvanometer, in order to prevent the rush ofcurrent that will take place in charging the cable, from causingthe needle to give too violent a kick. After a short time the key isopened and all of the current diverted through the…
Telephone
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.