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Card Sorter
 

During the 1920's through 1950's, electromagnetical machines such as card punches and card sorters were used to process business data. The Tabulating Machine Company, later known as I.B.M. was founded by Harry Bates, another man who worked on machines for the 1890 census.

45000 BCE to 1605 CE | 1621 to 1807 | 1814 to 1838 | 1839 to 1858 | 1860 to 1877 | 1878 to 1891 | 1893 to 1920 | 1920 to 1937 | 1930 to 1965 | 1965 to 1996

 

 
Copyright (c) 1998 Shayda Daley, Krista Johanson, and Brett Tabor. All rights reserved.
Prepared for the ThinkQuest '98 Educational Internet Competition. This page has no gathered information. For other details, including copyright notices, refer to the Info area.