On Fri, 17 Oct 2008, Tony Duell wrote:
Did anyone try using 3 monochrome CRTs and combining
the outputs
optically (e.g. by back projectuion)? That would get round the need for a
shadowmask
In the 1970s, there were some projection TVs that had three CRTs.
Convergence/alignment needed to be adjusted any time the set was moved.