Electrical instruments and testing; how to use the voltmeter, ohmmeter, ammeter, potentiometer, galvanometer, the Wheatstone bridge, and standard portable testing sets (1907)
Schneider, Norman H. (Norman Hugh), Hargrave, Jesse · New York, Spon & Chamberlain; [etc., etc.] · leaf 44
t of the coil to zero reading. Fig. 13. To clamp the coil for purposes of traveling, thehead C is turned, E then raises the coil taking itsweight from u and clamps it against D. The upper spindle A admits of the adjustment GALVANOMETERS. 21 of new suspension wires. It is clamped by a setscrew at e.… … Fig. 14. and out through F to a spring connected to abinding post. A portable DArsonval galvanometer, Fig. 14, isconstructed with a sensibility of upwards of onemegohm. It is dead beat and has a scale dividedfrom a central zero into 50 divisions right or left. As has been remarked before,…
Electric testing · Electric apparatus and appliances
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