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Selectron_256

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ID = 38981
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  COUNTING AND MEASUREMENT, general 
Identical to Selectron_256
Similar Tubes
Other characteristic (electr. data):
  Selectron_9
First year 1946 - - Manufacturers Literature
Was used by Industrial
Filament
Description

RCA Selectron is a very large 256 bit computer memory tube from the mid 1940s. See Selectron tube at Wikipedia nad see the similar Williams-Kilburn tube.

 
Text in other languages (may differ)
Information source -- Collector info (Sammler)   

Collection of

Robert Gillespie (USA)
 
screenshot_20211014_204210_gallery.jpg

Selectron_256
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
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