Title

Projecting the sun's image through a refracting telescope

Caption

Projecting the sun's image through a refracting telescope onto a screen in a darkened room (camera obscura) in order to study sunpots. From "Selenographia" by Johannes Hevelius (Gedani, Gdansk. Danzig, 1647). Engraving. S

Info+

Photos12.com - Ann Ronan Picture Library

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP07113_010549P

License type

Rights managed

Available size

32,4Mb (3,1Mb) / 10,7in x 11,8in / 3198 x 3543 (300dpi)