DuMont K1436P10 4" Dark Trace Storage Tube “Skiatron”
Tube cathodique à trace sombre
Blauschriftröhre

Instead of the usual phosphor screen, this tube uses a screen of potassium chloride, which is a material jnown as a scotophor or cathodochromic. Wherever struck by an electron beam, the normally white screen turns magenta. This coloration remains until erased by infrared radiation.

The tube was designed with a spherical faceplate for use in the optical system of projection radar displays. Drawbacks included relatively long infrared erasure times (greater than one second), low contrast and low sensitivity.

 

Longueur • Length • Länge : 37 cm • 1' - 2" 6/10
Diamètre • Diameter • Durchmesser : 102 mm • 4"

tax stamp

 

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