RCA KEN-RAD JAN CRC 5U4G VT-244 Hanging Filament Tube

US NAVY SYLVANIA 5Z3 VT-145 Rectifier Tube ST GLOBE BOTTLE

Sylvania 5Z3 rectifier tube hanging filament design Black plates Tested

RCA 5963 Vacuum Tubes Lot of 3 Black Plate TV-7 Tested Very Strong

LOT OF 4 RCA TUNG-SOL US NAVY 5Z3 RECTIFIER TUBE

RAYTHEON 6SN7 TUBE LOT - 25 TUBES - ALL Test STRONG (70%+) to NOS on an AT1000

Miscellaneous lot of 6SN7 audio tubes

5Z3 VT-145 SYLVANIA NOS Black Plates Hanging Filament Tube Rectifier