(1) Tested Sylvania 6CL3 Tube with Box Date Code NR Half Wave Rectifier Tube

(1) Tested Strong Motorola 6CL3 Tube Date Code 67-52 Half Wave Rectifier Tube

(1) Tested RCA 6CL3 Tube Date Code 69-09 RCA 6CL3 Half Wave Rectifier

(1) Tested RCA 6DE4 Tube Coin Base Date Code CV Half Wave Rectifier Tube

(1) Tested Westinghouse 6CL3 Tube Date Code 83-06 Half Wave Rectifier Tube

(1) Tested RCA 1N2A Tube Date Code MD RCA 1N2 A Half Wave Rectifier Tube

(1) Tested RCA 17AY3 Tube with Box RCA 17AY3 Half Wave Rectifier Tube

(1) Tested RCA 6CK3 Tube with Box Half Wave Rectifier Tube