Quadrant. Medieval illustration of a quadrant,a device for measuring angles. It receives its name because its curved edge forms a quarter of the circumference of a circle. This quadrant was described as being a new design in De Arte Matematicum,a 15th century manuscript | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Charmet, Jean-Loup |
Taille de l’image : | 3682 px × 4954 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |