(!) 59 RCA Radiotron NOS engraved base excellent condition 1930's (71/50)
By Tube World
$ 24.99
59 RCA Radiotron NOS engraved base excellent condition 1930's
71/50
tested on TV-7
See more: vacuum tube
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 59 RCA Radiotron NOS engraved base excellent condition 1930's (71/50)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_9057a273-bd49-4bae-80b6-588e7895f6f6.jpg?v=1571439277){kind=link}
 59 RCA Radiotron NOS engraved base excellent condition 1930's (71/50) "Pin It")