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Naval History and Heritage Command

NH 115364 Nautical Astrolabe of the 16th Century

Nautical Astrolabe of the 16th Century
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Title: Nautical Astrolabe of the 16th Century
Caption: Instrument for determining the altitudes of celestial bodies on the sea. It was a simplification of the astronomical astrolabe, reduced to a metallic sphere with two graduated scales and the alidade for lining up the celestial body. It was employed from the 15th-18th century, although it was less generally used when the forestaff appeared.
Description: Courtesy of Museo Maritimo, Barcelona, Spain, 1966
Catalog #: NH 115364
Copyright Owner: Naval History and Heritage Command
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Original Medium: BW Photo
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