A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 71
rious .resistance inthe coils themselves. (See Resistance, Spurious.) To avoid the effects of changes of resistance oc-casioned by changes of temperature, the coils aremade of German silver, or, preferably, of alloyscalled Platinoid or Platinum silver. Even whenthese alloys are used, care should be… … Resistance Coils, thick pieces of brass, E, E, E, Fig. 76. On the in-sertion of the plug-keys, at S, S, the coils are cut-out by short-circuiting. Care should be taken tosee that the plug-keys are firmly inserted and freefrom grease or dirt, as otherwise the coil will not becompletely cut out. As…
Electricity · Electrical engineering
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