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CG-886

 
See also:
The Twenty-Kilowatt Tube - Irving Langmuir
    
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Type G Pliotron with US Navy Type designation CG-886. This exhibit has a three pin base that was used for a short time. The anode is connected to a side contact.
The same valve fitted with the UV four pin bayonet base was used by the Signal Corps in the USA and designated VT-11.
The anode is made of nickel and is a closed cylinder about 8 mm in diameter and 10 mm long.
From the Tyne Collection.
The original box.
The box end with Type CG-886 printed on it.
Thanks to Joe Gruber for sending the image.
The balloon envelope is  mm in diameter and, excluding the UV base pins, is  mm tall.
References: J Gruber, 3002 & 1047. Type CG-886 was first introduced in 1918.

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
3.9
1.1
Updated October 20, 2019.
shape:balloon construction:pinch type:triode age:pre.1920 base:uv pins:4 pin:
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