Engineer Herman Hollerith of Washington, D.C. designed the first tabulating systems to help reduce data collected by the U.S. Census Bureau. The machines were first used on a large scale in the 1890 ...

the machine was first used to count the U.S. census of 1890. It was so successful that Hollerith later formed the Tabulating Machine Company and sold his machines throughout the world for a ...

Engineer Herman Hollerith of Washington, D.C. designed the first tabulating systems to help reduce data collected by the U.S. Census Bureau. The machines were first used on a large scale in the 1890 ...

Early punch card machines, including keypunches, sorters, collators, interpreters, reproducers, calculators and tabulators. See tabulator and Hollerith machine. THIS DEFINITION IS FOR PERSONAL USE ...