2 Hytron 7C4 Vacuum Tubes NOS NIB Lot Of Two US-Made NOS 6AS8 These four Sylvania-MANUFACTURED 6U7G tubes

These four Sylvania-MANUFACTURED 6U7G tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This lot of three Raytheon 12AX4GT / 12AX4GTA / 12AX4GTB tubes tested to spec on our Paul Hart-calibrated TV7/U

64/66 and 70/70 where minimum (65%) is 50/50 and 100% is 77/77

This book -- and its dust jacket -- is in very good condition

Tube Two: 46/48

2 Hytron 7C4 Vacuum Tubes NOS NIB Lot Of Two US-Made NOS 6AS8 These four Sylvania-MANUFACTURED 6U7G tubesThese two Hytron 7C4 tubes tested to spec on our Paul Hart calibrated TV7 U. They are still stapled in their boxes. 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 AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS