00458nam a22001697a 4500 BD-DhUL 20150118173938.0 150118s1964 enk||||| |||| 00| 0 eng d BD-DhUL BD-DhUL 621.3 OLU Oliver, W. Understanding tube and transistor circuts / W. Oliver London : W. Foulsham, c1964. 224 p. : ill. ; 20.5 cm. Electricity. ddc BK 32974 32974 0 0 ddc 0 621_300000000000000_OLU 0 NFIC 61793 DUSL DUSL GEN 1972-09-01 Gift 621.3 OLU A86099 2015-01-18 2015-01-18 BK