Ptolemy's ruler,16th century artwork. This instrument was used to make measurements of the orbits of the planets. Ptolemy is the figure using the instrument. This artwork is from the book The cosmographical glasse (London,1559) by the English author William Cunningham | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Middle Temple Library |
Taille de l’image : | 3805 px × 5485 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |