A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 243
thermostat or mercury contact, which auto-matically completes a circuit and turns on awater supply for extinguishing a fire, on acertain predetermined increase of tempera-ture. Fire, Hot, St. Elmos A term pro-posed by Tesla for a form of powerful brushdischarge between the secondary terminals ofa… … F& 2SS- St. Elmos Hot Fire.Describing its production he says : In many ofthese experiments, when powerful effects arewanted for a short time, it is advantageous to use Fir.] 232 [Flo. iron cores with the primaries. In such case avery large primary coil may be wound and placedside by side with…
Electricity · Electrical engineering
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