Library Collections: Visual Still: Enlargement

A man shows how an electric eye would be used in a traffic intersection.



Visual Still Information

Title: Display Of Electric Eye
From: "The Electric Eye," A New Tool For Handicapped People
Original caption: Photoelectric device allows cross traffic thru an arterial street.
Creator: Wallace C. Douglas, M.D., and O.H. Caldwell (authors)
Date: October 1932
Publication: The Polio Chronicle
Source: Roosevelt Warm Springs Institute for Rehabilitation Archives