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Tabulating machine facts for kids

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Early SSA accounting operations
IBM Type 285 tabulators in use at U.S. Social Security Administration circa 1936

The tabulating machine was a machine used to make the 1890 United States census. It was made by Herman Hollerith. Hollerith's machine used punched cards to store information with by categorisation.

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Tabulating machine Facts for Kids. Kiddle Encyclopedia.