A resolution to this problem was presented by Herman Hollerith. He developed a machine that could read data from paper cards. Census personnel entered the data by punching out the holes on the cards.

What most people did do, however, was punch cards. Technically, Hollerith cards ... To punch a number on the card, a machine made a hole in one of the bottom 10 columns. So a hole in the ...

Developed by the French silk-weaver, Joseph-Marie Jacquard (1752-1834), to control its operation, the loom used a chain of cards punched with holes ... Hollerith who developed the first commercial ...

Developed by Herman Hollerith, a Census Bureau statistician ... Following is the sequence of steps used to count the 1890 census. See punch card and CTR. THIS DEFINITION IS FOR PERSONAL USE ...