UX-226 RCA Radiotron balloon used/good 1920's (3.7ma Gm=900)
$ 17.99
UX-226 RCA Radiotron balloon used/good 1920's
3.7ma
Gm=900
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UX-226 RCA Radiotron balloon used/good 1920's
3.7ma
Gm=900
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