Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 88
ch is never a great amount in a short length ;in the Holden type we measure the sag of an expanded wire. Fora very small linear expansion the sag is comparatively great, hencea short wire may be used. In the figure two wires are used of samesize and length side by side. In this way the external… … Fig. 84 ammeter of the shunted type, and is a valuable addition to ourpractical instruments. Recently a horse-power meter has been brought out whichindicates the horse-power of electrical energy supplied at themoment of inspection to a motor in the circuit. But such aninstrument cannot be of much…
Electrical engineering · Electric power
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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