Census Bureau Card Puncher

Unknown Date. Photograph by Department of Commerce. Bureau of the Census. Public Information Office. “This Is a Card Puncher, an Integral Part of the Tabulation System Used by the United States Census Bureau to Compile the Thousands of Facts Gathered by the Bureau. Holes Are Punched in the Card According to a Prearranged Code Transferring the Facts From the Census Questionaire Into Statistics.”

From the National Archives.