00940nam0 2200277 450 00001237420180619115231.020080605d1951----km-y0itay50------baengNLa-------001yyTransmitting valvesthe use of pentode, tetrodes and triode in transmitter circuitsby J. P. Heyboerrevised by P. Zijlstrawith a foreword by H. A. ThomasEindhovenPhilips' technical library1951XII, 286 p.ill.24 cmSeries on electronic valves72001Series on electronic valvesRadiotecnica621.3841220Heyboer,J. P.631410Zijlstra,P.Thomas,H. A.ITUNIPARTHENOPE20080604RICAUNIMARC000012374621.384/10112094PIST2008Transmitting valves1203205UNIPARTHENOPE