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The machine counts the cards and accumulates totals for each of the desired numeric fields, optionally printing selected fields from each card. ... By the end of 1943, IBM had 10,000 tabulators (64% Type 405, 30% Type 285) on rental [4]. Operation of tabulating and accounting machines provided employment for thousands.
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www.columbia.edu/acis/history/tabulator.html
www.columbia.edu/acis/history/tabulator.html
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history of computing ... He entered his machines in a competition held by the Census Bureau in 1889 to determine which of all available methods would be best for the next census. The Hollerith Electrical Tabulating System was the overwhelming winner.
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www.thocp.net/hardware/tabulating_machine.htm
www.thocp.net/hardware/tabulating_machine.htm
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Tabulating machine - Wikipedia, the free encyclopedia
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The tabulating machine was an electrical device designed to assist in summarizing information and, later, accounting. Invented by Herman Hollerith, the machine was developed to help process data for...
en.wikipedia.org/wiki/Tabulating_machine
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Dial on Hollerith electric tabulating machine, 1890. "The counting is done on a dial which has two hands. One hand records one division, while every complete revolution moves a device which in turn causes the second hand to turn, which counts one hundred.
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www.officemuseum.com/data_processing_machines.htm
www.officemuseum.com/data_processing_machines.htm
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British Tabulating Machine Company - Wikipedia, the free encyclopedia
The British Tabulating Machine Company (BTM) was a firm which manufactured and sold Hollerith unit record equipment and other data-processing equipment. During World War II, BTM constructed a number...
en.wikipedia.org/wiki/British_Tabulating_Machine_Compan...
en.wikipedia.org/wiki/British_Tabulating_Machine_Company
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Key Phrase page for Tabulating Machine Company: Books containing the phrase Tabulating Machine Company ... Featured Books for "Tabulating Machine Company"
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amazon.com/phrase/Tabulating-Machine-Company
amazon.com/phrase/Tabulating-Machine-Company
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View Patent Images: ... Images are available in PDF form when logged in. To view PDFs, Login or Create Account (Free!) ... United States Patent 2185260...
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www.freepatentsonline.com/2185260.html
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Hollerith's tabulating system included a punch for entering data about each person onto a blank card, a tabulator for reading the cards and summing up information, and a sorting box for sorting the cards for further analysis.
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americanhistory.si.edu/collections/object.cfm?key=35&ob...
americanhistory.si.edu/collections/object.cfm?key=35&objkey=99
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4113 DATA ENTRY OPERATORS ... Data entry operators enter numerical and other data into electronic equipment for processing and transmission, or enter data on cards and tapes, using punching machines. Tasks include - ; (a) entering numerical and other data from source ... Clerk, data entry/punching machine (card and tape)
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www.ilo.org/public/english/bureau/stat/isco/isco88/4113...
www.ilo.org/public/english/bureau/stat/isco/isco88/4113.htm
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