Bearings. Historical artwork of ball,roller and taper bearings devised by Leonardo da Vinci (1452- 1519) during the 1490s. The ball bearings are seen in the upper three diagrams,with roller bearings at lower right and centre,and taper bearings at lower left. Bearings reduce friction between moving parts which slide or rotate while exerting force | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 5161 px × 3472 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |