UX-280 RCA Radiotron Balloon used/good 1930 era some white oxide flakes at bottom of tube – in white box
46/40
48/40
Tested on TV-7D/U
$33.00 $109.99
UX-280 RCA Radiotron Balloon used/good 1930 era some white oxide flakes at bottom of tube – in white box
46/40
48/40
Tested on TV-7D/U
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