National Union NU 14X7 Vacuum Tube NOS NIB September 18 2024 Etsy will indicate how many

Etsy will indicate how many tubes are available in this Dutch auction

These tubes have four shiny copper support rods

These six new old stock-testing

The face has quite a nice patina and the case has a wonderful

They measured 100/78 for Tube One and 102/80 for Tube Two

National Union NU 14X7 Vacuum Tube NOS NIB September 18 2024 Etsy will indicate how manyThis new old stock, new in box National Union 14X7 and another just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate how many are available in this Dutch Auction. 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