(!!) (SINGLE) 5R4GYB RCA branded Westinghouse NOS 1962 (50/40 and 52/40)
$ 22.99
5R4GYB RCA branded Westinghouse NOS 1962 a few white oxide flakes inside tube - in white box
50/40
52/40
See more: vacuum tube
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 (SINGLE) 5R4GYB RCA branded Westinghouse NOS 1962 (50/40 and 52/40)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_c59bbaad-e61d-4dea-9062-b42e09f0dbf8.jpg?v=1761259191){kind=link}
 (SINGLE) 5R4GYB RCA branded Westinghouse NOS 1962 (50/40 and 52/40) "Pin It")