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- Leibniz_wheel abstract "A Leibniz wheel or stepped drum was a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, was used in the calculating engine of a class of mechanical calculators. Invented by Leibniz in 1673, it was used for three centuries until the advent of the electronic calculator in the mid-1970s. Leibniz built a machine called the Stepped Reckoner based on that design in 1694. It was made famous by Thomas de Colmar when he used it, a century and a half later, in his Arithmometer, the first mass-produced calculating machine. It was also used in the Curta calculator, a very popular portable calculator introduced in the second part of the 20th century.".
- Leibniz_wheel thumbnail Cylindre_de_Leibniz_animé.gif?width=300.
- Leibniz_wheel wikiPageExternalLink indexEnglish.html.
- Leibniz_wheel wikiPageExternalLink indexEnglish.html.
- Leibniz_wheel wikiPageExternalLink pictures_Thomas.htm.
- Leibniz_wheel wikiPageID "23438204".
- Leibniz_wheel wikiPageRevisionID "594519477".
- Leibniz_wheel hasPhotoCollection Leibniz_wheel.
- Leibniz_wheel subject Category:Gottfried_Leibniz.
- Leibniz_wheel subject Category:Mechanical_calculators.
- Leibniz_wheel type Calculator109887034.
- Leibniz_wheel type CausalAgent100007347.
- Leibniz_wheel type Expert109617867.
- Leibniz_wheel type LivingThing100004258.
- Leibniz_wheel type MechanicalCalculators.
- Leibniz_wheel type Object100002684.
- Leibniz_wheel type Organism100004475.
- Leibniz_wheel type Person100007846.
- Leibniz_wheel type PhysicalEntity100001930.
- Leibniz_wheel type Whole100003553.
- Leibniz_wheel type YagoLegalActor.
- Leibniz_wheel type YagoLegalActorGeo.
- Leibniz_wheel comment "A Leibniz wheel or stepped drum was a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, was used in the calculating engine of a class of mechanical calculators. Invented by Leibniz in 1673, it was used for three centuries until the advent of the electronic calculator in the mid-1970s. Leibniz built a machine called the Stepped Reckoner based on that design in 1694.".
- Leibniz_wheel label "Cylindre cannelé de Leibniz".
- Leibniz_wheel label "Leibniz wheel".
- Leibniz_wheel label "Rueda de Leibniz".
- Leibniz_wheel label "Staffelwalze".
- Leibniz_wheel label "Колесо Лейбница".
- Leibniz_wheel sameAs Staffelwalze.
- Leibniz_wheel sameAs Rueda_de_Leibniz.
- Leibniz_wheel sameAs Cylindre_cannelé_de_Leibniz.
- Leibniz_wheel sameAs m.0bmbv0s.
- Leibniz_wheel sameAs Q8713451.
- Leibniz_wheel sameAs Q8713451.
- Leibniz_wheel sameAs Leibniz_wheel.
- Leibniz_wheel wasDerivedFrom Leibniz_wheel?oldid=594519477.
- Leibniz_wheel depiction Cylindre_de_Leibniz_animé.gif.
- Leibniz_wheel isPrimaryTopicOf Leibniz_wheel.