3 RCA 53HK7 Vacuum Tubes Valves Milspec NOS NIB Lot Of Three All About Love These four US-made 6SF7 tubes

These four US-made 6SF7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

There were no shorts or gas and they tested as follows:

Please rely on the pictures as to the true content of these albums as my Russian is worse than poor

rounded plates

These mesh plate National Union number 78 tube were tested on our Paul Hart-calibrated TV7/U for shorts

3 RCA 53HK7 Vacuum Tubes Valves Milspec NOS NIB Lot Of Three All About Love These four US-made 6SF7 tubesFor sale are three new old stock, new in box RCA 53HK7 tubes. Two are American and one is Japanese. 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 ITEMS UP TO