NOS AMPLIFIER TUBE I.F. AM-427/U Signal Corps U.S. ARMY ADMIRAL CORP. VTG 1953

Tested good for continuity Original foil packet and box dated 1/53

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 .

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