CBC Test Pattern Shoulder Tote
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![CBC Test Pattern Shoulder Tote CBC Test Pattern Shoulder Tote](https://rlv.zcache.com/cbc_test_pattern_shoulder_tote-rc848b1e758ea43c3accfc82ef28e869f_6kcf1_500.jpg?rlvnet=1)
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Used in the early days of black and white television in the 1950s and 1960s. CBC / Radio-Canada aired this test pattern image at times of no broadcast. The graphic patterns on the test pattern served specific purposes and were used to help adjust cameras, home and studio monitors for the best perspective.