Vintage military USSR RUSSIA vacuum tube. GK-71. New condition The Vintage Military USSR Russia GK-71 HI-END Power Pentode Generator Vacuum Tube is a rare and collectible item from the 1940s. Made of glass and manufactured in Russia by the military, this power pentode generator vacuum tube holds historical significance and is a unique piece for collectors of militaria and vintage electronics. With its original design and high-end quality, this item is a valuable addition to any collection of wartime artifacts.
