00453nam a22001577a 4500 3668 3668 200625b ||||| |||| 00| 0 eng d 621.3132 C6223 204 Clayton, Albert E. Performance and design of direct current machines 3rd ed. London Sir Isaac Pitman Pvt. Ltd 1959 xx,516 p. 26.80 Electrical Engineering BK 0 0 ddc 0 621_313200000000000_C6223 0 9899 CL CL 1960-12-15 W. Newman 621.3132 C6223 02533 2020-06-25 BK 0 1 ddc 0 621_313200000000000_C6223 0 12915 CL CL 1960-12-15 W. Newman & Co 621.3132 C6223 02534 2020-08-07 BK