The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 150
at for accurate measurement, shunts offine wire are provided, separate from the instrument, bywhich fractions of the current, of measurable strength,are transmitted ; and the respective resistances of coiland shunt being known, the entire current strength canbe ascertained. I ELECTRIC MEASUREMENT.… … Fig. 52. with four coils in two sets, upper and lower, having anyrequired resistance up to 8000 ohms. Differential Galvanometer.—This instrument is con-structed with two coils of equal size and resistance, be-tween which the needle is mounted at the central point,and through which currents may be…
Electricity · Magnetism
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