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D_CeCo

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ID = 28535
       
Country:
United States of America (USA)
Brand: CeCo (tubes), C.E. Mfg. Co. Inc.; Providence, RI
Developer: CeCo (tubes), C.E. Mfg. Co. Inc.; Providence, RI 
Tube type:  Half-Wave Rectifier, gasfilled   Power-supply 
Identical to D_CeCo
First year Oct.1926 Saga of the Vacuum Tube, Tyne Seite 344

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Description This tube has a thoriated filament. Plate ratings are not known. Believed to have been made late in 1924, in limited quantities. The tube did not have the usual CeCo paper label on the bulb but had the brand name etched onto the top of the bulb. 
Dimensions (WHD)
incl. pins / tip
x 105 x 45 mm / x 4.13 x 1.77 inch
Information source -- Collector info (Sammler)   


Just Qvigstad
 
ceco_d.jpg

 

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