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Keep in mind that until color television matured in the 1960s, it wasn't exactly uncommon for a set with a PLL to loose color sync and start "barber polling" away, especially as the set aged. Period reviews of sets mention this from time to time. With this in mind I actually think the Westinghouse design is fairly elegant. Simply turn the color hold control until the color locks again.
And unlike hue and saturation controls, the Westy color sync control is trivial to adjust. There's only a single correct setting and lots of "wrong" settings. With hue and saturation, it isn't so cut and dry. The color acuity of the viewer has to be taken into account. I might set my sets up differently than someone with red-green colorblindness, or someone with better color acuity, say someone with light blue eyes.
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