Camera obscura used to study sunspots

Camera obscura used to study sunspots

C026/7360

Rights Managed

Caption

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

Release details

Model release not required. Property release not required.

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