The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 277
he needles, m and n, move, the former being a mag-netic needle, the latter an index at right angles and attachedthereto; a and b are wires carrying the current to be measured.The circles, M and Ny are carried by a base, O, around which theyrotate. H is a fixed horizontal graduated circle. In use… … Fig. 185. Tangent Galvanometer. strength is proportional to the sine of the angle of deflection.This angle is measured by the vernier, C, on the circle, H, Theknob, Ay is used to turn the circle, M.Galvanometer, Tangent. A galvanometer in which the tan- STANDARD ELECTRICAL DICTIONARY. 273 gents of…
Electricity
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