TY - BOOK AU - Whitfield, J.F. AU - Hiller, N. TI - Electrical craft principles. Volume 2 T2 - Crafts Studies SN - 0863411541 AV - TK 146 Whi PY - 1974/// CY - Herts PB - Peter Peregrinus, KW - ELECTRICITY KW - ELECTRICAL ENGINEERING ER -