4 Sylvania 14BR11 Vacuum Tubes NOS NIB Lot Of Four ECC82 Or Univalve This lot of four US-made

This lot of four US-made black glass as well as gray glass number / type 57 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box RCA 1AC5 tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

top to bottom):

Both tubes have 2-48 SC 471 date/contract codes and are World War Two vintage

ETSY DOES NOT HAVE A SYSTEM IN PLACE FOR THAT YET

4 Sylvania 14BR11 Vacuum Tubes NOS NIB Lot Of Four ECC82 Or Univalve This lot of four US-madeThese new old stock, new in box 14BR11 tubes 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 PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN