Calculating Suns Elevation #4
by Gianni Tortoli
Title
Calculating Suns Elevation #4
Artist
Gianni Tortoli
Medium
Photograph - Photograph
Description
Sketch depicting a method of calculating the sun's elevation. One man keeps the instrument level, while the other man makes adjustments and reads the elevation in degrees. Sketch by R. Dudleo, From "Dell'Arcano del Mare," Florence, 1647; Riccardiana Library, Florence, Italy.
Uploaded
August 22nd, 2018
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