The Arithmometers of Thomas de Colmar & Payen

2014


What is new ?
 




Article in "mechanical arts: journal of the Association Nationale des Collectionneurs de Machines à Ecrire et à Calculer
»»» www.ancmeca.org



     
Discover in a few minutes
Discovery of a new prototype !!

1 » What is an arithmometer
2 » How is it working
3 » See videos

 
 
 
 
Statistics
Demonstration models
 
 
 
How many has survived ?
 
Sn 1316 modified
     
The mystery of Serial numbers
Instruction manuals
 
   
1850-1910
 
 
Videos & Simulations
Patents
 
  
 
     


How the arithmometer works : Video-modelisation by Michael L. Hilton (10mn)




T1820 project
     
Project 1820
 
Modelisation with Catia
     
 

www.arithmometre.org is also:

A true digital library !
 
Data base !
   
 
Arithmomètre Thomas de Colmar
   
Anatomy section !
What about the models !
   
     
      
Long live the museums !
 
Thomas de Colmar
     
 

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05/03/2014
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Machines listed
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www.arithmometre.org
2014