Description: FOSDIC (Film Optical Sensing Device for Input to Computers). First developed in 1953 for the 1960 Census of Population and Housing. This equipment scans reels of micofilmed census questionnaires to capture responses which are transferred to magnetic tape readable by computers.
(Source: U.S. Census Bureau, Census of Population and Housing: 1960, Procedural History)
Photo Credit: U.S. Census Bureau, Public Information Office
Free to use in news media and public information products