000 00304nam a2200121Ia 4500
008 160710s1949 xx 000 0 und d
082 _a621.3132 GRE
100 _aGREENWOOD, L.
245 _aDESIGN OF DIRECT CURRENT MACHINES
260 _bMACDONALD & CO., LTD.
_c1949
300 _a222
942 _2ddc
_cB
999 _c16101
_d16101