Kloeffler, Royce G. Kerchner, Russell M. Brenneman, Jesse L.
Direct-Current Machinery - New York Macmillan 1948 - p.395 - Engineering Science Series .
Current Machinery
Dynamo
Commutation
621.3132 K66D
Direct-Current Machinery - New York Macmillan 1948 - p.395 - Engineering Science Series .
Current Machinery
Dynamo
Commutation
621.3132 K66D