Roman odometer,artwork

Numéro d’image : 11654499
Roman odometer,artwork
Roman odometer. Artwork of a type of odometer (for measuring distances travelled) described by 1st-century BC Roman engineer Vitruvius. It may have been originally been invented by Archimedes of Syracuse,with a similar device described by Hero of Alexandria. As the device moved forward on its wheels,a drive belt and system of cogs turn a central cogwheel. This would turn once per Roman mile (about 1400 metres) and drop a pebble (top) into a box (lower left). The pebbles were counted to determine the distance travelled
Licence : Droits gérés
Crédit: Science Photo Library / JOSE ANTONIO PEÑAS
Taille de l’image : 4460 px × 3974 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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