Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 218
fullest extent. An adjustable resist-ance shown at P will also be required. Insert in series withA, a coil of wire represented merely at R. This is to bemade of the same sized wire as is wound upon the coils ofthe voltmeter, and is a loose coil of wire. The process ofadjustment is as follows:… … 204 EASY ELECTRICAL EXPERIMENTS. proper deflection. Probably this will cause a slight change in the reading of the stand- <Std^> ard so that p must De again \ A / \ / B adjusted. By alternately ad- justing P and R the properdeflection of A will finally bereached. After this R is toremain…
Electric apparatus and appliances · Electricity
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