Yu. Tangin. Universal small-sized examiner • Amateur radio designer • N. Kravtsov. High frequency block • V. Malishevsky I. Malishevsky. Automatic HF converter • L. Dmitrenko. Time relay on thyratrons • Record lovers • V. Zharkov, V. Yakushev. Lamp-transistor stereo amplifier LF • V. Shushurin. Powerful transistor amplifier LF • Power supplies • V. Kislov. Calculation of multi-winding ferroresonance stabilizer • A. Korobkov. Laboratory stabilized power supply • Car enthusiasts • P. Alekseev. Electronic voltage regulator • V. Shevelev. Windshield wiper with adjustable operating mode.