Back When a 23" TV Screen Was Considered "Giant" (1970)

From Zenith Electronics Corporation company history. Color television improvements continued steadily. In 1969 Zenith introduced the patented Chromacolor picture tube, which set the standard for brightness in the color TV industry for many years. In 1970, the company received awards from the American Association for the Advancement of Science in recognition of its years of technological achievements. By 1972, the year it introduced a line of 25-inch televisions, Zenith was number one in production of color television sets.