Full Size Original
Tabulating Machines
On the left, Census Bureau employee, Ann Oliver, operates the Hollerith machine. On the right, Virginia Balinger, assistant supervisor of the Current Inquiry Section, uses a newer, faster machine to electronically compile the 1940 census data.
On the left, Census Bureau employee, Ann Oliver, operates the Hollerith machine. On the right, Virginia Balinger, assistant supervisor of the Current Inquiry Section, uses a newer, faster machine to electronically compile the 1940 census data.