The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 453
BIsin A TB. 448 STANDARD ELECTRICAL DICTIONARY. If the two sectors are coupled up as shown, with a battery, h^and a galvanometer, by the wires, a b and c d, then since the arm,c, on being aligned on the object takes the position c^ while dremains at zero, the Wheatstone bridge formed by these… … {¥ig. 281. Range Finder, increase with the angle A TB. In general, however, the angleA B 7^ will not be a right angle, but some other angle cp. In thiscasey4 Z= A B/sin A TB X sin A BT, and hence it will only benecessary to multiply the range reading on the galvanometer bythe sine of the angle A B…
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