TESTED 1J3 Diode - GE #1

3 Matched Test Results Zenith 6F6G tubes. Amplitrex 84% 86% 87% gm. 2 w code 1M

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

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

(1) Tested Zenith 6AY3 Tube Zenith Half Wave Rectifier Tube

1J3 TUBE ZENITH TESTED & BOXED VINTAGE COMMERCIAL SURPLUS

(1) Tested Zenith 6AY3 Tube with Box Date Code 6243 Half Wave Rectifier

(1) Tested Zenith 22BW3 Tube with Box Date Code 304035 Rectifier Tube