Repro of 1950s CBS Color Test Pattern Design (V. 1)

First version of CBS's color test pattern, used in conjunction with the network's very short-lived "field sequential" color system (405 lines, 144 fields / 24 frames per second) that only lasted a few months in 1951. The vertical wedges had 17 TV lines, the horizontal wedges 19 TV lines. Another variant would be used before the plug was pulled on that system.

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