A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 494
hone, if the articuiatespeech is to be* correctly reproduced witn all itscharacteristic peculiarities. Sounder, Morse Telegraphic An electro-magnet which produces audiblesounds by the movements of a lever attachedto the armature of the magnet. The Morse sounder has new almost entirelysupplanted the… … Fig. 510. Morse Sounder. The Morse sounder, shown in Fig. 510, con-sists of an upright electro-magnet M, whose softiron armature A, is rigidly attached to the strikinglever B, working in adjustable screw pivots asshown. The free end of the lever is limited in itsstrokes by two set screws N, N. The…
Electricity · Electrical engineering
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