14th Century military equipment. 15th Century design for a pulley system by the German military engineer Konrad Kyeser | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NEW YORK PUBLIC LIBRARY / Bellifortis / Scientific, Historical, and Didactic Manuscripts |
Taille de l’image : | 3878 px × 5409 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |