3 National NL-2N688 2N688 Rectifiers NOS NIB Lot Of Three Recording Records This lot of three RCA-Victor

This lot of three RCA-Victor gray glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

This new old stock-testing matched pair of RCA Radiotron 805 output triodes was tested on our Paul Hart-calibrated TV7/U with 180 volts on the plates and a bias of 0 volts for shorts

outstanding flashing

They measured 20/18 and 35/30

new in box Mullard UBC41 tube tested to spec on our Paul Hart-calibrated TV7/U

3 National NL-2N688 2N688 Rectifiers NOS NIB Lot Of Three Recording Records This lot of three RCA-VictorThis is lot of three new old stock, new in box US made National 2N688 rectifiers. 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 VALUE. IF AN