The VT-16 was an improved version of the VT-14 and was still in development at the end of WWI. The tube shown is the first version.
General Electric VT-16 (early)
Low Power Transmitting Triode
1918
The VT-16 was an improved version of the VT-14 and was still in development at the end of WWI. The tube shown is the first version.
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