TY - BOOK AU - Kloeffler, Royce Gerald AU - Brenneman, Jesse Lamar, AU - Kerchner,Russell M. TI - Direct-current machinery T2 - Engineering science series AV - TK2661 K51948 PY - 1948/// CY - New York PB - Macmillan KW - Dinamos KW - Corriente continua ER -