Vintage Tung-Sol Type 5Z3 Coke Bottle Style Rectifier Vacuum Tube - Tested

Philco Type 80 Rectifier Tube Engraved Base Black Plates Mica Snubbers Tested-

1V (CV1999) Tung-Sol (Engraved) Rectifier Vacuum Tube TV7 Tested Good :

Tung-Sol 5U4GB Rectifier Tube Black Plates Dual Hanging Halo Getters Tested

Tung Sol 5AW4 Full Wave Rectifier Vacuum Tube Tested Good

One 1966 Tung-Sol 'SHORT-GLASS' Version 6X4 (EZ90,~6X4W) Rectifier Tube

1 NOS Tung-Sol 6AX4-GTB Vacuum Tube - Rectifier for Heathkit Test Equipment

TUNG SOL TYPE 45 VACUUM TUBE ENGRAVED BASE TESTED * STRONG!