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Demonstration model


Thomas Sn 1617, offered to CNAM by Thomas de Bojano (1878)
 
  

 

Thomas Sn 1316 modified by Payen (Sn5009) / Now a demonstration model
   
   

 

Cut of a T1865
 
  
 

 

Second cut of a T1865
 
  
 

 

 

www.arithmometre.org
2013