Gammatron 24-G 24G VT-204 VT204 Vacuum Tube Valve US Army Milspec 6HB7 NOS NIB This tube has steel support

This tube has steel support rods

new in box GE 12BD6 tubes tested to spec on our Paul Hart-calibrated TV7/U

One is a 1P21 while the other could not be identified

66 and 74 where minimum (65%) is 57

Gammatron 24-G 24G VT-204 VT204 Vacuum Tube Valve US Army Milspec 6HB7 NOS NIB This tube has steel supportThis tube looks great, but I could find no settings to test it. If you know them for a TV7 U, please send them to me and I will test it. Otherwise it is sold as is with no returns. 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" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE