Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 125
Fig. 5 ous, as the pressure 130. Continuous Pressure Machines Fir,. 126 By multiplyinor the number of coils and splittinc^ up the commu-tator into as many pairs of plates, we can get a practically continuouscurrent. Fig. 131 represents a ring armature with four coils coiled on aring instead of a…
Electrical engineering · Electric power
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