The machines were first used on a large scale in ... Both companies licensed patents to European vendors, some of which developed their own models. In the 1950s both companies introduced tabulating ...

Developed by Herman Hollerith, a Census Bureau statistician, the machine was first used to count the U.S. census of 1890. It was so successful that Hollerith later formed the Tabulating Machine ...

The machines were first used on a large scale in ... Both companies licensed patents to European vendors, some of which developed their own models. In the 1950s both companies introduced tabulating ...