Display of the many different safety signs used at a single DuPont plant is a striking symbol of the companys prime concern for the safety of its employees. Signs are but one phase of a comprehensive company-wide program in which employees are...
A new type of outdoor sign originally conceived by engineers of the Sun Oil Company mounted next to a conventional sign illustrates elimination of glare from projecting lamps. The new sign on the right is illuminated from within by cold cathode...