The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 188
g more than two sets of brushes is examined,it will be found that all the positive brushes are joined by aheavy conductor and all the negative brushes by another. Thenone connection is made from the group of positive brushes tothe external circuit, and one from all the negative brushes. In speaking… … Fig. 114 (upper)—Method of assembling commutator segments. Fig.115 (middle)—Commutator and armature core assembled showingrisers. Fig. 116 (lower)—Armature complete with windings con-nected to risers. 183 184 DYNAMO-ELECTRIC MACHINERY. the same way except that the ends of the coils are soldered…
Telegraph, Wireless · Radio
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