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The Hampshire Collection
The CV225 is an air cooled triode.
The commercial designation is ACT17 and this would have been an M-OV design of transmitting valve.
Like all the ACT valves the anode forms part of the outer envelope and a Housekeeper Seal forms the junction between the anode and the glass bulb.
See also ACT9.
The envelope cooling fins are 73 mm in diameter and, excluding the base connections the valve is 135 mm tall.

This exhibit was last updated on 19 March 2005