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B_CRT

Information - Help 
ID = 72795
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Ediswan, Siemens Edison Swan Electric Co.; London 
Tube type:  CRT (cathode ray tube, picture tube)   Indication 
Identical to B_CRT
First year 1970 - - Manufacturers Literature Ediswan 1970
Predecessor Tubes A_CRT  

Base Europe 4-Pin (A, 4A, B4, since 1914) Side contacts
Was used by Radio/TV-reception etc.
Filament
Description

The first commercial tube from Ediswan.

This 4 inch, gas focussed CRT was released in 1930 following the experimental "A" tube.

 
Literature - - Manufacturers Literature   Ediswan 1970
 

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