High frequency apparatus, design, construction and practical application; a practical treatise for electrical engineers, electricans, physicians, students and experimenters (1920)
Curtis, Thomas Stanley · New York, Norman W. Henley publishing company · leaf 167
overcome by using a shunt across the meter term-inals. Fig. 82 shows the meter in a plan view while Fig. 83gives an idea of the movement. The hot wire, 1, is sup-ported between two posts, 2, 2, to which the current isapplied. Attached to the center of the hot wire by meansof a fine wire hook 3, is… … ty/re /?ooA Fig. 83.—Movement ui the hot wire meter end of a coiled spring 5, which is, in turn, held by a lowpost. When the wire element is heated, it lengthens andpermits the silken thread to be drawn forward by the ten-sion of the spring, turning the spindle and moving thepointer over the scale…
Electric apparatus and appliances
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