Marconi Osram acorn pentode valve A56; Type no. 954
From National Valve Museum:
The 954 miniature all glass acorn valve is a pentode with a 6.3 Volt heater. Visual inspection shows the three grids within the anode cavity. In 1943 in America the 954 was re-worked onto the B7G base and issued as the 9001. The small size of these valve enabled them to operate at VHF.
- Radio Communication
- Object Number:
- object genre
- component parts
- mechanical component
- Gift of Dr. G. R. Airth
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