Artifact Details Title Data processing circa 1921 Catalog Number 102667820 Type Still image Description Illustration of a man loading punch cards into a machine. Text: Data processing circa 1921 Loading the punched card sorter Date 1977 Photographer Henderson, Hal Publisher Data Entry Digest; The Marketeers, Inc. Dimensions overall: 89 cm x 59 cm Category Poster Credit Gift of Leslie Hamilton Lot Number X5084.2009