8 US-Made 6KU8 Vacuum Tubes Valves NOS NIB Lot Of Eight VR150 T31 1941 in fulfillment of a

1941 in fulfillment of a US government contract for which WE had insufficient capacity and had to subcontract out

Tube One measured 33 while Tube Two measured 34 where minimum (65%) is 32 and 100% is 49

Tube One (Philco-LABELED

new in box (five total) / NOS-testing (six total) US-made 6CD6G and 6CD6GA tubes tested as follows on our Paul Hart-calibrated TV7/U:

8 US-Made 6KU8 Vacuum Tubes Valves NOS NIB Lot Of Eight VR150 T31 1941 in fulfillment of aThese eight new old stock, new in box US made 6KU8 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