Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 46
increased by adding auxiliary non-inductiveresistances. The instrument must itself be so constructed that there shallnot be any eddy currents set up by either circuit in the frames, supports, orcase ; otherwise the indications will be false. Kelvins Composite Electric Balance. This instrument is… … Fig. 31. Kelvins Standard Composite Balance. of its action is similar to that of the electro-dynamometer. The attractionand repulsion between movable and stationary coils is balanced by the at-traction of gravity on a sliding weight connected with the movable coils. Above is a cut of the instrument…
Electrical engineering
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