General Electric GE 25BK5 Vacuum Tube Valve NOS NIB 5U8 Nonal T23 These four Sylvania-MANUFACTURED 6U7G tubes

These four Sylvania-MANUFACTURED 6U7G tubes were tested on our Paul Hart-calibrated TV7/U for shorts

They have E5E and E5E date codes

new in box Mullard 61SV IR--sensitive lead Sulphide photoconductive cell tested to spec on our Paul Hart-calibrated TV7/U

External Diameter: +/- 21 MM

WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES

General Electric GE 25BK5 Vacuum Tube Valve NOS NIB 5U8 Nonal T23 These four Sylvania-MANUFACTURED 6U7G tubesThis new old stock, new in box GE 25BK5 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE