the berlin summer olympic games were televised, using both closed-circuit 375 lines fully electronic iconoscope-based cameras and 180 lines intermediate film cameras transmitting to berlin, hamburg, munich, nuremberg and bayreuth via special reichspost long distance cables in august 1936. in berlin, twenty-eight public 180 lines television rooms were opened for anybody who did not own a television set. after february 1937 both 180 and 375 lines systems were replaced by a superior 441-line system.