US CENSUS BUREAU / SCIENCE PHOTO LIBRARY US CENSUS BUREAU / SCIENCE PHOTO LIBRARY
Editorial use only.
Punch cards for 1960 US Census. US Census Bureau employee using a card proof punch to process 1960 census returns. This machine is an IBM 27 Card Proof Punch. 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 available. Property release not required.