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(DISPLAY TUBE - DOES NOT WORK) 838 RCA Radiotron around 1940 (DISPLAY TUBE WITH OPEN FILAMENT)
(DISPLAY TUBE - DOES NOT WORK) 838 RCA Radiotron around 1940 (DISPLAY TUBE WITH OPEN FILAMENT)
$ 19.99
(DISPLAY TUBE) 838 RCA Radiotron around 1940 (DISPLAY TUBE WITH OPEN FILAMENT)
(838=variable-mu variant of 203A)(4-pin bayonet base like 211)
838 is a higher Mu 211
See more: vacuum tube
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 838 RCA Radiotron around 1940 (DISPLAY TUBE WITH OPEN FILAMENT)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/838.jpg?v=1571438858){kind=link}
 838 RCA Radiotron around 1940 (DISPLAY TUBE WITH OPEN FILAMENT) "Pin It")