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ID = 49967
United States of America (USA)
Brand: Amrad Corporation; Medford Hillside (MA)
Tube type:  Half-Wave Cold-cathode-rectifier   Power-supply 
Identical to S1_AMRAD
Predecessor Tubes S_AMRAD  

Base Edison, size not known

Helium-filled cold cathode rectifier. Evolution of the early S rectifier by C.G. Smith at Amrad.
Used in the AMRAD B-eliminator, advertised in April 1927 and folded up one month later. No data available but gave origin to the Raytheon line of gaseous cold-cathode rectifiers.

Information source -- Collector info (Sammler)   


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