Refracting telescope on a very simple equatorial
Refracting telescope on a very simple equatorial mounting being used in a darkened room (camera obscura) in order to project the Sun's image so that sunspots could be studied. From Rosa Ursina by Christoph Scheiner (Bracciano, 1630). Engraving
Picture No
13902065
Media ID
48387107
Size
2424px x 2970px
(1.4MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























