Today's Tidbit... Loudspeakers and Lights

Before WWI, few football fields had loudspeakers to announce the happenings on the field. Audio and lighting technologies advanced after WWI, leading to loudspeakers and lighting systems being installed to keep fans informed and allow night games.

A USC cheerleader shouts to Trojan fans with the assistance of the speakers located near the Coliseum sidelines. (1941 USC El Rodeo)