Quote:
Originally Posted by old_tv_nut
I don't see how. The glass that carries the phosphors has only two sides, and the idea is to have two beams approaching the opposite sides through vacuum.
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Use one more screen with it's own deflection, and make one of the two screens semi-transparent so the two screens can be watched at the same time adding the primaries of each to make a tricolor image.
The two color one already had a semi-transparent screen so one could probably add another tube behind it with a third phosphor color to get full color with out any major modification.
Heck one could probably double up two bi-color tubes one having two primaries and the other having the third primary plus a white monochrome phosphor for improved brightness/simplified circuits.