International Servicemaster 7AN7 PCC84 Vacuum Tube NOS NIB Thirtyseven Number new in box National Union

new in box National Union 25Z5 tubes tested to spec on our Paul Hart-calibrated TV7/U

They tested as follows: 56/32

new in box Tung-Sol 6EM5 tube tested to spec on our Paul Hart-calibrated TV7/U

The title basically says it all

They measured 12/18

International Servicemaster 7AN7 PCC84 Vacuum Tube NOS NIB Thirtyseven Number new in box National UnionThis new old stock, new in box England made International Servicemaster 7AN7 PCC84 tube tested to spec on our Paul Hart calibrated TV7 U. 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