
Title
Refracting telescope
Caption
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. Science Astronomy Scientific Instrument.
Info+
Photos12.com - Ann Ronan Picture Library
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07113_010555P
License type
Rights managed
Available size
29,3Mb (2,2Mb) / 9,6in x 11,8in / 2892 x 3543 (300dpi)