Soderzhit spravochnye svedeniya (parametry, rezhimy, xarakteristiki) ob otechestvennyx priemno-usilitel'nyx lampax, kenotronax, stabilitronax i tiratronax s xolodnym katodom, a takzhe o fotoehlementax, fotoumnozhitelyax i ehlektronno-luchevyx trubkax....