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(display tube) UV-99 Radiotron brass base 1920's tarnished base - lights up

(display tube) UV-99 Radiotron brass base 1920's tarnished base - lights up

$ 9.99

UV-99 Radiotron brass base 1920's - lights up but does not have emission

tarnished brass base

 

(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UV base has smaller size pins)

See more: vacuum tube
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