The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 387
as generally driven by descend-ing weights. Synonym—Morse Recorder. Mortar, Electric. An electric toy which may have variousmodifications. In the cut a wooden mortarwith recess to receive a ball is shown. Twowires enter the base but do not touch. Onplacing the ball in position and passing aspark… … Fig-. 244. ElectricMortar. Motor, Compound or Compound Wound. A motor which has two windings on the field-magnets, one in parallel with that on the armature, the other in series therewith, exactly as in a compound dynamo. (See Dynamo, Compound.) Motor, Differential. A differentially wound motor ;…
Electricity
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