(DISPLAY TUBE – DOES NOT WORK) 838 RCA Radiotron around 1940 (DISPLAY TUBE WITH OPEN FILAMENT)

Category: SKU: TOY393925

$6.00 $19.99

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(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

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