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Using a Mariner's Astrolabe
Using a mariner's astrolabe to measure the angle of the Sun or a star above the horizontal.
Caption:
Using a mariner's astrolabe to measure the angle of the Sun or a star above the horizontal.
Type:
Illustration
Credit:
Smithsonian Institution Libraries
Origin:
Smithsonian Institution
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212-c222-1_mariners-mirrour-buttons8.jpg
Using a mariner's astrolabe to measure the angle of the Sun or a star above the horizontal.
