2 RARE NOS Eimac 227 Transmitting Triode Tubes 227A U.S. NAVY GREEN GLASS base

LOOK BRAND NEW SEE BELOW FROM SAME LARGE BOX OF NOS TUBES bases glow green under black light due to (U) glass see U on periodic the table

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

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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