Surveying and timekeeping, 1551. On the left are various different kinds of sundial and a clock with a single arm. On the right a survey is being made of the height of the tower, using quadrants and, on the far right, a cross-staff. From Rudimenta Mathematica by Sebastian Munster. (Basel, 1551). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3691 px × 4730 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |