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Old 02-08-2018, 09:48 PM
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old_tv_nut old_tv_nut is offline
See yourself on Color TV!
 
Join Date: Jul 2004
Location: Rancho Sahuarita
Posts: 7,184
This treatise
http://www.earlytelevision.org/damper.html
indicates that the grids were used to effect a a linearity adjustment.
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