Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 63
interposed in the circuit of tlie machine, work-ing, as it were, in multiple are, the remaining pair heing cut outat the neutral point; while in the Gramme machine, the num-erous armature coils being connected end to end throughout,and connections being made to the metal strips composing… … Foj. 20. Fig. 21. ring of non-conducting material, carried on the shaft. Thesesegments are divided into two thicknesses, the inner being per-manently secured to the non-conducting material, and the outerones, which take all the wear, are fastened to the inner in such amanner that they can be easily…
Electrical engineering
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