The CV144 is another in the series of Infra Red image converter cells designed for night vision applications during WWII.
The silver source is in the lower centre of the image.
The cathode with the screen behind.
The viewing window with anode contact ring.
The glass screen seen through the viewing window. This exhibit seems to have suffered damage to the glass screen with missing chips and optical distortion of the wire mesh.
An enlarged image of the silver source that is fired during pumping as part of the cathode forming process.
The end window envelope is 48 mm in diameter, and is 43 mm tall.
Updated February 23, 2014. shape:end.window construction:all.glass type:photocell age:1930.1940 base: pin: