Discussion on ´Carbon brushes: Considered in relation to the design and operation of electrical machinery´

A.D. Constable;J.T. MacGregor-Morris;R. Orsettich;J.McI. Cater;H. Brazil;H.F. Joel;P.R. Friedlaender;H.K. Whitehorn;A.B. Eason;Li.B. Atkinson;A.A. Pollock;R.S. Allen;G. Broughall;G.W. Edward;W. Guy-Pell;N. Pensabene-Perez;P. Hunter-Brown;W. Lawson;E.J. Ki

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