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Videos

Mise à jour Avril 2014
Modelisation of a T1865 arithmometer / How is it working !
© Michael L. Hilton 2014
 
 

I)   Addition - Subtsraction - Multiplication
on arithmometer Payen P1 (1888)
© Valéry Monnier 2012
     
     

II)   Division - Square root
on arithmometer Payen P1 (1888)
© Valéry Monnier 2012
     
     
III)   Cut of a Thomas de Colmar arithmometer
T1865
© Valéry Monnier 2012
     
     
Aritmometro / "Thomas arithmometer"
"Arihmometer"

© ASTUT Unito - Strumenti ritrovati - Torino 1991

© Saskiaok 2011
  
 
 
Animations / Simulations

  

"Working model of an Arithmometer by Thomas"
 
"Working model of  Thomas' arithmometer 1820"
 
© Stephan Weiss
 
© Stephan Weiss
     
  
   
"Stepped drums"
 
"Leibniz rechenmaschine"
 
© Barbara Haeberlin 2010
 
© LeibnizBibliothek 2011
     
     
"Curta simulator (YACS)"
 

"Leibniz Stepped Wheel"

 
© olafzijnbuis 2010
 
© jess313ica  2011

 

www.arithmometre.org
2012