10 Philco Number / Type 41 #41 Vacuum Tubes Valves Engraved / Hot-Stamped Bases Lot Of Ten T17 new in box Sylvania 6BX7GT

new in box Sylvania 6BX7GT tube tested to spec on our Paul Hart-calibrated TV7

They have 2-30 188-5 and 3-52 188-5 date/provenance codes

nostalgic-looking Super Silvertone 6P5G triode was tested on our Paul Hart-calibrated TV7/U for shorts

new in box matched trio of GE-MANUFACTURED 12B4A tubes was tested on our Paul Hart-calibrated TV7/U for shorts

10 Philco Number / Type 41 #41 Vacuum Tubes Valves Engraved / Hot-Stamped Bases Lot Of Ten T17 new in box Sylvania 6BX7GTThese ten Philco engraved hot stamped base type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 52, 54, 54, 54 54, 54, 55, 58, 58 and 62 where minimum (65%) is 40 and 100% is 62. 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