00843nam a2200265 i 4500 4179301 BD-DhUL 20150118142334.0 790913s1978 enka 001 0 eng 79315013 GB79-07357 0900647043 : £5.00 DLC DLC DLC BD-DhUL TK2712 .S6 1978 621.3 SMP Smith, Charles Frederick. 1873- Practical alternating currents and alternating current testing / Charles F. Smith. Manchester : Scientific Publishing Co., c1978. 431 p. : ill. ; 21 cm. Includes index. Electric machinery Alternating current. Electric currents, Alternating. 7 cbc orignew 4 ncip 19 y-gencatlg ddc BK 32769 32769 0 0 ddc 0 621_300000000000000_SMP 0 NFIC 61489 DUSL DUSL GEN 1952-12-14 Purchased 621.3 SMP 81489 2015-01-18 2015-01-18 BK