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NE50

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ID = 64744
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Ediswan, Siemens Edison Swan Electric Co.; London 
Tube type:  Surface fluorescent lamp for TV   Text 
  Ca. 1925 up to 1945 very rare. ***
Identical to NE50

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

Small B4 base tube designed for scanning disk television. c. 1929. Two elements - one plate measuring approx. 100 mm x 35 mm. one molybdenum rod measuring approx 2 mm diameter. These are connected to the filament pins.Base marked BT-H Co Ltd, indicating that the tube was made after the merger with Ediswan. No other data available.

 
Information source -- Collector info (Sammler)   


Just Qvigstad

Collection of

 
ediswan_ne50_front.jpg

NE50
 

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