00536nam a22001577a 4500 1932 1932 200207b ||||| |||| 00| 0 eng d 621.3133 H799 1528 Hopwood, H. Alternating-current motor windings: Covering the design and manufacture of winding for all types of A.C. motors, frequency changers, boosters and convertors 1st London George Newnes Ltd. 1950 viii,9-320p. 17.03 Electrical Engineering BK 0 0 ddc 0 621_313300000000000_H799 0 4975 CL CL 1953-03-13 A. H. Wheeler 621.3133 H799 01635 2020-02-07 BK 0 0 ddc 0 621_313300000000000_H799 0 4976 CL CL 1953-03-13 A. H. Wheeler 621.3133 H799 01636 2020-02-07 BK