*FantasticTubes !!!

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Domestic U.S.A. shipping only please!  Sorry,NO international shipping!

Store item,price is for one tube.

One tube, circa 1943, U.S.A made by Raytheon,
type RK-21 vacuum tube
as pictured.

Condition:
New Old Stock / New In Box

Satisfaction Guaranteed!
*FantasticTubes !!!