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The television receiver of the black-and-white image "TZF" from the middle of 1934 was produced by the Moscow factory Fizelektropribor. TV "TZF" is a wooden box with dimensions of 65 centimeters in height, 45 centimeters wide and 15 centimeters thick with an inwardly enlarged Nipkova disc with a visible image of 6x9 centimeters, a sweep system of 30 lines (1200 elements) and a synchronization system. About 30 television sets were released, the first of which were installed in large factory radio hubs of the city of Moscow for collective use.