Site for GE PortaColor sets

[Chad Hauris]

These GE sets use an inline tube that still uses dynamic convergence with convergence coils for the red and blue only (green is in the center). This is in contrast to most other types of inline tubes which depend on a specially designed yoke and the placement of yoke wedges and permanent magnets to get edge convergence. The GE inline with convergence coils was also used in 1980's 19" sets up till they sold to Thomson. These sets have a simplified convergence control panel with 6 or so controls instead of the usual 12 for delta gun CRT's.
The 11" Porta-color 70 degree CRT also continued to be used in the transistorized successor to the tube Porta-color up till 1986.

Another point is that the Porta-color appears to be the last tube type set made. The latest one I have is from 1976; have read on news groups that one was seen from 1978. Can anyone confirm one made at such a late date?