General Electric GE 6U10 Vacuum Tube NOS NIB Symphony Orchestra 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

They measured 30/34 and 38/37 where minimum (65%) is 25/25 and 100% is 38/38

This hardcover book is in very good condition

This quad of US-made 6211 dual triodes was tested on our Hickok 800 for shorts

new in box premium GE Five Star 6203 tested to spec on our Paul Hart-calibrated TV7/U

General Electric GE 6U10 Vacuum Tube NOS NIB Symphony Orchestra This lot of three RCA-VictorThis new old stock, new in box General Electric 6U10 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 PURCHASE PROTECTION COVERS ITEMS