Electronics for industry / by W.I. Bendz ... with the assistance of C.A. Scarlott ... Bendz, Waldemar I. Scarlott, Charles A. Industrial electronics. TK7815 .B4 BEE 537.5 New York : Wiley, c1947. c1947. 1947 Text x, 501 p, : ill., diagrs. ; eng