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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 196

An illustration from Electrical instruments and testing; how to use the voltmeter, ohmmeter, ammeter, potentiometer, galvanometer, the Wheatstone bridge, and standard portable testing sets, 1907, leaf 196
and determining the equality of themagnetic field. One is as shown in Fig. 95. H is an insulatinghandle carrying two carbon brushes A B fromwhich run wires C D for the voltmeter connection. A B are set just far enough to span the insula-tion between two commutator segments. By making contact on the… … Fig. 95.

Electric testing · Electric apparatus and appliances

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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