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The Brimar VX7092 double triode is a development sample of the post WWII era. The valve is of all glass construction and features a nine wire base.
The thin glass tube envelope is 20 mm in diameter and, excluding the base pins, is 46 mm tall.
References: Observation


Updated December05, 2012.
shape:thin.glass.tube construction:all.glass type:double.triode age:1940.1950 base: pin:
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