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Vidéos |
Mise à jour Avril 2014 |
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Modélisation de l'arithmomètre T1865 / Fonctionnement |
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© Michael L. Hilton 2014 |
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I) Addition - Soustraction - Multiplication
Sur modèle Payen P1 (1888) |
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© Valéry Monnier 2012 |
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II) Division - Racine carrée
Sur modèle Payen P1 (1888) |
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© Valéry Monnier 2012 |
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III) Coupe d'un arithmomètre Thomas de Colmar T1865 |
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© Valéry Monnier 2012 |
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Aritmometro / "Thomas arithmometer" |
"Arihmometer" |
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© ASTUT Unito - Strumenti ritrovati - Torino 1991 |
© Saskiaok 2011 |
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"Working model of an Arithmometer by Thomas" |
"Working model of
Thomas' arithmometer 1820" |
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© Stephan Weiss |
© Stephan Weiss |
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| "Stepped drums" |
"Leibniz rechenmaschine" |
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© Barbara Haeberlin 2010 |
© LeibnizBibliothek 2011 |
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"Curta simulator (YACS)" |
"Leibniz Stepped Wheel" |
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© olafzijnbuis 2010 |
© jess313ica 2011 |
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www.arithmometre.org
2012
