Westinghouse 6X5 6X5GT Vacuum Tube Valve Metal Base Rectifier NOS-Testing Hardcover Press This lot of two National

This lot of two National Union type 85 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

clear bottle 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box Tung-Sol 12SJ7 tubes tested to spec on our Paul Hart-calibrated TV7/U

One is milspec

This new old stock-testing RCA clear top

Westinghouse 6X5 6X5GT Vacuum Tube Valve Metal Base Rectifier NOS-Testing Hardcover Press This lot of two NationalThis new old stock testing Westinghouse 6X5GT rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 68 68 where minimum (65%) is 40 40 and 100% is 62 62. This tube has metal base; shiny, dark gray plates and a bottom dimpled sheet getter. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO"