EIMAC 4-65A Vacuum Tube JAN -CIM-8165/4-65A ATOMIC AGE MCM ORIGINAL BOX 1964

I HAVE NO WAY OF TESTING BEYOND CONTINUITY WHICH IS GOOD see pictures & FEEDBACK

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