A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 561
magnetism from … Source of AlternatingCurrent. Fig. 563. JVrig/tts Demagnetizes The demagnetization of watches can be readilyeffected by a method proposed by J. J. W Wat.] 550 [Wat. The watch is held by its chain and slowly loweredto the bottom of a hollow conical coil of wire, andthen slowly withdrawn from the…
Electricity · Electrical engineering
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