I HAVE NO WAY OF TESTING THIS BEYOND LIGHTING IT UP AND CONTINUITY WHICH IS GOOD

Both light up and the mercury vaporizers in both see all pictures

CAME FROM A LARGE COLLECTION OF NOS BOXED and some unboxed MILITARY TUBES and A large selection of foreign tubes. THE ONES I can test ON A REGULAR TUBE TESTER HAVE CHECKED OUT .

SEE ALL PICTURES AND *****FEEDBACK****