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MX281

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ID = 76125
       
Country:
United States of America (USA)
Brand: Marathon (tubes), Northern Manufacturing Co.; Newark, NJ
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to MX281 = UX281 = CX381 = 181 = 481 = 281 = 81

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct
Literature -- Original prospect or advert   Undated tube brochure c. 1927
 
marathon_mx281_e316.jpg
MX281: Ebay item March 2016
Fin Stewart

 
81~~5.png
MX281: Fin Stewart
Fin Stewart

 

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