2 Sylvania 35Z3 Vacuum Tubes Rectifiers Lot Of Two May 22 2025 These tubes have acid-etched codes

These tubes have acid-etched codes and designations as well as silk-screened 67-05 67-22 188-5 and 68-26 188-5 67-50 production run/provenance codes

The Superior-tested tube measured "low to medium-good

new in box Raytheon 6DS4 nuvistor tube tested to spec on our Paul Hart-calibrated TV7/U

IF YOU FEAR DAMAGE OR LOSS OF A PARCEL IN TRANSIT

They have REI and Y3E date codes

2 Sylvania 35Z3 Vacuum Tubes Rectifiers Lot Of Two May 22 2025 These tubes have acid-etched codesThis lot of two Sylvania 35Z3 rectifier tubes tested 52 and 60 on our Paul Hart calibrated TV7 U where minimum (65%) is 40 and 100% is 62. 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