TESTED 1J3 Diode - GE #1

(1) Tested Zenith 8LT8 Tube with Box Date Code 835 Twin Diode Vacuum Tube

1J3 TUBE ZENITH TESTED & BOXED VINTAGE COMMERCIAL SURPLUS

(1) Tested Ken Rad 2X2/879 Tube Date Code J3 2X2 Tube 879 Vacuum Rectifier Tube

(2) Philco 1K3A/1J3 Vacuum Tubes Tested

Zenith 12BR7 Vacuum Tube Hickok Tested, diodes strong.3800/4000 Near NOS Testing

(1) Tested Zenith 6JU8A Tube Date Code 7-43 6JU8 A Quadruple Diode Tube

TESTED 1B3GT DIODE - Admiral #1