US CENSUS BUREAU / SCIENCE PHOTO LIBRARY US CENSUS BUREAU / SCIENCE PHOTO LIBRARY
Punch cards for 1940 US Census. US Census Bureau employee translating handwritten information on the census schedule to holes on a punch card using a 'card puncher'. The punch cards are then sorted and tabulated. This is being done for data from the 1940 US Census. At the time, these machines were the latest in a series of machines used to record and collate census data, ranging from mechanical sorters and tabulators, through to modern electronic computers.
Model release not required. Property release not required.