(1) Tested GE 6EV5 Tube with Box Date Code 62-17 General Electric Tetrode Tube

(1) Tested GE 6CY7 Tube with Box Date Code MY General Electric Dual Triode Tube

(1) Tested GE 12AL5 Tube with Box Date Code 60-17 General Electric Twin Diode

(1) Tested GE 22BW3 Tube with Box Date Code JN General Electric Rectifier Tube

(1) Tested GE 6ES5 Tube with Box Date Code JE General Electric Triode Tube

(1) Tested GE 117Z3 Tube Date Code 2-17 General Electric Half Wave Rectifier

(1) Tested GE 5X8 Tube with Box Date Code FV General Electric Triode Pentode

(1) Tested GE 6SJ7 Tube with Box Date Code 4-17 6SJ7 Sharp Cutoff Pentode Tube