Brown, Mary Eleanor
Vitaphone; Bell Telephone Laboratories
Motion picture equipment; Motion picture cameras; Motion picture sound
Article in Science and Invention News, “The Mechanism of the Vitaphone” by Mary Eleanor Brown, with illustrations and photographs of the Vitaphone, January 1927. Early motion picture sound. Work done at the Bell Telephone Laboratories.
BW publication; 10.75” x 7.5”
Jonathan Silent Film Collection