Photoheliograph for 1874 transit of Venus. This is a telescope that is used to photograph the Sun. It was one of five photoheliographs built for the British expeditions to view the 1874 transit of Venus. It was made by Thomas Rudolphus Dallmeyer | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Royal Astronomical Society |
Taille de l’image : | 3792 px × 4724 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |