TUNG-SOL 3V4 Electron Tube U.S.A. Original Box
This is a Tung-Sol 3V4 electron tube, presented in its original Tung-Sol branded box. This vintage vacuum tube is clearly marked with the model number "3V4" and proudly states "U.S.A.", indicating its country of origin. The tube itself is constructed from clear glass with internal metal components and features a getter flash at the top, along with a standard pin base for connectivity. This listing includes one (1) Tung-Sol 3V4 electron tube and its corresponding original Tung-Sol branded cardboard box. The box identifies the item as an "ELECTRON TUBE" and prominently displays the Tung-Sol brand name and the 3V4 model number, consistent with the markings on the tube.