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ID = 32163
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Oscilloscope CRT, picture tube 
Identical to 3SP1

Base Duodecal (12-pin), B12A
Description 1.5 x 3" rectangular screen. 2750V accelerating potential; 61V/inch vertical deflection.
Introduced by Waterman in 1955. 
Information source -- Collector info (Sammler)   
-- Original prospect or advert   
3SP1: ARRL Handbook 1972
Michael Schlör


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