Surveying, from Levinus Hulsius Instrumentorum Mechanicorum, Frankfurt-am-Main, 1605. Top; measuring angles using a quadrant. Bottom; obtaining levels and altitudes using Hulsius's planimeter. Artist: Levinus Hulsius. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Taille de l’image : | 4419 px × 3954 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |