name

   type     all-types radio-tubes television-tubes comercial-tubes batterie-powered small-sized-tubes transmitting-tubes uhf-shf-tubes microwave-tubes klystrons magntrons travelling-wave-tubes photoelectric-tubes photocells multipliers picturetubes cameratubes switchtubes tyratrons rectifiers stabilizers displaytubes x-ray gm-counters germ.-army-tubes historical-tubes steeltubes american-tubes russian-gdr-tubes lightsources laser xtal . . others unkown rare . .