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ID = 44382
United States of America (USA)
Brand: Cunningham Inc., E.T.; Harrison (NJ)
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to C302 = D402_deForest = 402 = 5watt = 202 = UV202 = C-302
Similar Tubes
Normally replaceable-slightly different:

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 2.35 Ampere / Direct / Battery =

In line with the agreement RCA/GE had with E T Cunningham, work started on development of this tube at the GE laboratories in the spring of 1920 and the type number was assigned to it in November 1920. It was announced to the public in March 1921.

Output 5 Watts.
High-Vacuum Navy type amplifier.

Dimensions (WHD)
incl. pins / tip
x 132 x 54 mm / x 5.20 x 2.13 inch
Weight 70 g / 2.47 oz
Information source - - Manufacturers Literature   1922-1923

uv4_11.png C302
Peter den Boer

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C302: own collection
Peter den Boer

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