The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · 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… … 244. ElectricMortar. Motor, Compound or Compound Wound. A motor w^hich 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 difierentially wound motor; with…
Electricity
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
