ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY
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.
Model release not required. Property release not required.