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E947 experimental valve

Size
This valve measures 135x45mm overall and has an octal base

It is hard to make out the internal construction of this valve. It is either a tetrode or pentode and it appears to also have at least one diode section. The glass is marked with 6.3V and it carries the serial number 2.

E947

This file was last modified17:20:40, Thursday June 04, 2015