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- Adding_machine abstract "An adding machine was a class of mechanical calculator, usually specialized for bookkeeping calculations.In the United States, the earliest adding machines were usually built to read in dollars and cents. Adding machines were ubiquitous office equipment until they were phased out in favor of calculators in the 1970s and by personal computers beginning in about 1985. The older adding machines were rarely seen in American office settings by the year 2000.Blaise Pascal and Wilhelm Schickard were the two original inventors of the mechanical calculator in 1642; For Pascal this was an adding machine that could perform additions and subtractions directly and multiplication and divisions by repetitions, whilst Schickard's machine, invented several decades earlier was less functionally efficient but was supported by a mechanised form of multiplication tables. These two were followed by a string of inventors and inventions leading to those of Thomas de Colmar who launched the mechanical calculator industry in 1851 when he released his simplified arithmometer (it took him thirty years to refine his machine, patented in 1820, into a simpler and more reliable form). However, they didn't gain widespread use until Dorr E. Felt started manufacturing his comptometer (1887) and Burroughs started the commercialization of differently conceived adding machines (1892).".
- Adding_machine thumbnail Mechanical_calculating_machine.jpg?width=300.
- Adding_machine wikiPageID "74133".
- Adding_machine wikiPageLength "8344".
- Adding_machine wikiPageOutDegree "33".
- Adding_machine wikiPageRevisionID "707016761".
- Adding_machine wikiPageWikiLink Adder_(electronics).
- Adding_machine wikiPageWikiLink Arithmometer.
- Adding_machine wikiPageWikiLink Beat_Generation.
- Adding_machine wikiPageWikiLink Blaise_Pascal.
- Adding_machine wikiPageWikiLink Bookkeeping.
- Adding_machine wikiPageWikiLink Burroughs_Corporation.
- Adding_machine wikiPageWikiLink Calculator.
- Adding_machine wikiPageWikiLink Category:1642_introductions.
- Adding_machine wikiPageWikiLink Category:Mechanical_calculators.
- Adding_machine wikiPageWikiLink Category:Office_equipment.
- Adding_machine wikiPageWikiLink Charles_Xavier_Thomas.
- Adding_machine wikiPageWikiLink Comptometer.
- Adding_machine wikiPageWikiLink Dorr_Felt.
- Adding_machine wikiPageWikiLink Electromechanics.
- Adding_machine wikiPageWikiLink Mechanical_calculator.
- Adding_machine wikiPageWikiLink Method_of_complements.
- Adding_machine wikiPageWikiLink Office_supplies.
- Adding_machine wikiPageWikiLink Pascals_calculator.
- Adding_machine wikiPageWikiLink Personal_computer.
- Adding_machine wikiPageWikiLink Punched_tape.
- Adding_machine wikiPageWikiLink Sperry_Corporation.
- Adding_machine wikiPageWikiLink Unisys.
- Adding_machine wikiPageWikiLink Wilhelm_Schickard.
- Adding_machine wikiPageWikiLink William_S._Burroughs.
- Adding_machine wikiPageWikiLink William_Seward_Burroughs_I.
- Adding_machine wikiPageWikiLink File:Adding_machine_1950s.jpg.
- Adding_machine wikiPageWikiLink File:CalculatingMachinePatentBurroughs.jpg.
- Adding_machine wikiPageWikiLink File:Mechanical_calculating_machine.jpg.
- Adding_machine wikiPageWikiLink File:Old_adding_machine.JPG.
- Adding_machine wikiPageWikiLink File:Triumph_adding_machine_gnangarra.JPG.
- Adding_machine wikiPageWikiLinkText "Adding machine".
- Adding_machine wikiPageWikiLinkText "adding machine".
- Adding_machine wikiPageWikiLinkText "calculating machine".
- Adding_machine wikiPageWikiLinkText "calculators with paper tapes".
- Adding_machine wikiPageWikiLinkText "paper tape adding machines".
- Adding_machine wikiPageUsesTemplate Template:Circa.
- Adding_machine wikiPageUsesTemplate Template:Cite_book.
- Adding_machine wikiPageUsesTemplate Template:For.
- Adding_machine wikiPageUsesTemplate Template:Refbegin.
- Adding_machine wikiPageUsesTemplate Template:Refend.
- Adding_machine wikiPageUsesTemplate Template:Refimprove.
- Adding_machine wikiPageUsesTemplate Template:Reflist.
- Adding_machine subject Category:1642_introductions.
- Adding_machine subject Category:Mechanical_calculators.
- Adding_machine subject Category:Office_equipment.
- Adding_machine hypernym Calculator.
- Adding_machine type Person.
- Adding_machine type Machine.
- Adding_machine type Redirect.
- Adding_machine type Technology.
- Adding_machine type Tool.
- Adding_machine comment "An adding machine was a class of mechanical calculator, usually specialized for bookkeeping calculations.In the United States, the earliest adding machines were usually built to read in dollars and cents. Adding machines were ubiquitous office equipment until they were phased out in favor of calculators in the 1970s and by personal computers beginning in about 1985.".
- Adding_machine label "Adding machine".
- Adding_machine sameAs Q3547325.
- Adding_machine sameAs Màquina_de_sumar.
- Adding_machine sameAs Máquina_de_sumar.
- Adding_machine sameAs מכונת_חישוב.
- Adding_machine sameAs Sumator_(maszyna_biurowa).
- Adding_machine sameAs Máquina_de_somar.
- Adding_machine sameAs m.0jt4j.
- Adding_machine sameAs Суммирующая_машина.
- Adding_machine sameAs Aparatong_pansuma.
- Adding_machine sameAs Q3547325.
- Adding_machine wasDerivedFrom Adding_machine?oldid=707016761.
- Adding_machine depiction Mechanical_calculating_machine.jpg.
- Adding_machine isPrimaryTopicOf Adding_machine.