Inside Out Library

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 76

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 76
and Milliampere Instruments. The prefix milli means one thousandth, a millivolt isan e.m.f. of one thousandth of a volt, a milam-pere or milliampere, one thousandth of an ampere.Instruments of which the total scale reading isabout one volt or one ampere, and those in whicheach scale division… … Fig. 40. etc., and their use will be described in the chapteron testing. 54 ELECTRICAL INSTRUMENTS. Relative Sizes. Fig. 40 embodies the relativesizes and styles of Weston instruments with theirstyle letters. Hot Wire Instruments. Voltmeters and am-meters indicating from the expansion and…

Electric testing · Electric apparatus and appliances

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

More pictures from Electrical instruments and testing; how to use the voltmeter, ohmmeter, ammeter, potentiometer, galvanometer, the Wheatstone bridge, and standard portable testing sets

More like this