$45 · ESTATE TUBE TESTER

THIS SENIORS HOBBY WAS WORKING WITH OLD RADIOS. THIS TUBE TESTER WAS MADE BY SUPREME INSTRUMENTS CORP. GREENWOOD , MISS. IT HAS 8 TUBE INSERT RECEPTICALS. THE GUAGE SHOWS BAD, ?, & GOOD. THERE ARE FOUR KNOBS, 1)1-9, 2) 1-18, 3) 0-100, 4) 1.5 V - 90V COMES IN A CARRYING CASE AND HAS PLUG IN CORD. ALSO HAS TUBE SUBSTITUTION HANDBOOK VOLUME 3