Projecting the sun's image through a refracting
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
Picture No
13902059
Media ID
48387098
Size
2405px x 2665px
(1.8MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive
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1647 Astronomical Danzig Darkened Gdansk Gedani Hevelius Johannes Obscura Onto Projecting Refracting Selenographia Telescope
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