8 Philco 7B8 Vacuum Tubes Valves Lot Of Eight Virgil Fox Encores This tube has steel support

This tube has steel support rods

Both have BW date codes

59-43 188-5 and 5-48 188-5 date/provenance codes

This Wards type 78 tube tested to spec on our Paul Hart-calibrated TV7/U

Tube One (Unitron 5654-LABELED

8 Philco 7B8 Vacuum Tubes Valves Lot Of Eight Virgil Fox Encores This tube has steel supportThese eight Philco 7B8 tubes tested as follows on our Paul Hart calibrated TV7 U where minimum (65%) is 29 and 100% is 45: 30, 32, 36, 36, 38, 39, 40 and 42, respectively. 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