Radio Technicians in Training with Joseph Tykociner | University of Illinois Archives
Caption on back reads: "Girls training at the University of Illinois to be Civil Service radio technicians of the University of Illinois at Wright Field, Dayton, Ohio, meet Prof. J. T. Tykociner, the man who on June 9, 1922, first demonstrated sound movies using the modern sound-on-film system now universal. The father of modern sound movies is showing his most recent development, a device to measure electrical phase shifts with an oscillograph to Jeanne Sorenson, 211 East Franklin Street, Neenah, Wisc. (left) and Mary Jane Groh, 415 Exchange Street, Emporia, Kans. (center)."
Found in RS 39/2/20, Box 10, Folder ADA-3 Continuing Education and Public Service 1917, 1942-1947
Original print measures 10.3 cm W x 12.9 cm H
World War II
World War II - Service and Training