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IBM 026 Keypunch
IBM 026 Keypunch
Keypunch operators at work at the U.S. Social Security Administration in the 1940s
Keypunch operators at work at the U.S. Social Security Administration in the 1940s
Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938
Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938
Hollerith's Keyboard (pantograph) Punch. This photo is staged; the keyboard layout is for the Farm card (leftmost column is labeled "Kind of Farm") of
Hollerith's Keyboard (pantograph) Punch. This photo is staged; the keyboard layout is for the Farm card (leftmost column is labeled "Kind of Farm") of an Agricultural Census while the paper under the punch shows the layout of the 1890 Population Census card (the actual 1890 census cards had no printing).
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Replica of Hollerith tabulating machine with sorting box, circa 1890. The "sorting box" was an adjunct to, and controlled by, the tabulator. The "sort
Replica of Hollerith tabulating machine with sorting box, circa 1890. The "sorting box" was an adjunct to, and controlled by, the tabulator. The "sorter", an independent machine, was a later development.
Hollerith machine in use at the London School of Economics in 1964
Hollerith machine in use at the London School of Economics in 1964
IBM 029 Card Punch.
IBM 029 Card Punch.
IBM 082 Sorter.
IBM 082 Sorter.