Auto License Plate Research | University of Illinois Archives
Caption on back reads, "Nighttime identification of auto license is being tested at the University of Illinois with this equipment in which headlights shine from frames in front of observer (left), who controls movement of plate towards him until it can be read. Investigator (right) notes recognition distance. Plate shown has reflectorized background. Material, colors, styles and sizes of figures are being studied as part of research for better licensing being sponsor at the university by Charles F. Carpentier, Illinois Secretary of State".
Found in Box COL 5-1, Folder COL 5-1 Law 1949-
Negative Number: 7622, Record Series 39/2/22.