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(!!) 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900)

(!!) 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900)

$ 29.99

26 RCA Radiotron balloon used/good 1920's

6.2mA

Gm=900

See more: vacuum tube
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