French decimalisation. Title page of book printed in 1793 describing Revolutionary proposals,which included decimalisation. Old measures did not become illegal until 1840 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 3459 px × 5137 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |