US Census Bureau announces results using Herman Hollerith's machine
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16th August 1890 The US Census Bureau announces the U.S. population of 62,622,250, determined for the first time by using an automated method, the Hollerith Census Machine. The Hollerith machine sorted returns by completing an electrical circuit wherever a hole existed in a punch card and could process almost 10 times the number of census data than a human clerk Census workers used the Punch Pantograph (shown to the left) to enter data Hollerith formed the Tabulating Machine Company in 1896. This company merged with two others in 1924 to become the International Business Machines company or IBM Hollerith died November 17, 1929. Related Items in the Collection:
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