Hevelius's plan for a tower observatory,showing various telescopes,including his 150-ft (16.240m) refracting telescope. From Selenographia by Johannes Hevelius (Gedani,Gdansk,Danzig,1647). Engraving | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 3227 px × 2716 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |