Keywords: Mechanism Arithmometer 1822.png en Drawing of the mechanism of the 1822 Arithmometer fr Dessin du mécanisme de l'Arithmomètre de 1822 French book celebrating the 100th anniversary of the insurance company Le Soleil 1829-1929 and its founder Thomas de Colmar La companie d'assurance Le Soleil 1929 PD-old Arithmometer |