Solar Projection Instrument
by Royal Astronomical Society/science Photo Library
Title
Solar Projection Instrument
Artist
Royal Astronomical Society/science Photo Library
Medium
Photograph - Photograph
Description
Solar projection instrument. Historical artwork of apparatus being used to project an image of the sun onto a plate marked with mathematical indicators. Instead of risking the health of their eyesight, astronomers would analyse the sun's surface patterns and sunspots by observing the projection produced by this type of equipment. This engraving is from the book Rosa Ursina sive Sol, written by Christoph Scheiner (1573-1650) in 1630.
Uploaded
October 2nd, 2018
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