Replying to a message of TOM WALKER to BOB ACKLEY:

 EH>>>> So, cyan, magenta and yellow aren't primary colors? Heh heh...

 SD>>> In my line of work it's "CMYK-all the way!". 

 BA>> Geez.  I haven't thought about television technology since I finished
 BA>> my deVry course in Broadcast Engineering (with the Heathkit 21"
 BA>> color TV kit, which I still have) back in about 1978.  If memory
 BA>> serves the three guns in the neck of a television CRT are (were, I
 BA>> guess, since they're obsolete ) for red, blue and yellow; and
 BA>> there were six colors in the analog TV signal, cyan being one of
 BA>> them in addition to the aforementioned three - I guess I've
 BA>> forgotten the other two.

 TW> Actualy the CRT TV sets had a Red, Green, and a Blue Electron Gun that
 TW> struck Red, Green, And Blue Phospher dots on the Screen in varing
 TW> intensity to make a Full Color Picture.

You are correct, the electron guns are red, blue and green.  But green is still
a mix of blue and yellow.

--- FleetStreet 1.19+