Image: Astrolabe-Persian-18C

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Description: An 18th Century Persian astrolabe – maker unknown. The points of the curved spikes on the front rete plate, mark the positions of the brightest stars. The name of each star being labeled at the base of each spike. The back plate, or mater is engraved with projected coordinate lines. From the Whipple Museum of the History of Science in Cambridge.
Title: Astrolabe-Persian-18C
Credit: Whipple Museum of the History of Science
Author: Andrew Dunn
Permission: Andrew Dunn uploaded it first to the English Wikipedia on 6. Nov. 2004 and released it there under CC-BY-SA-2.0
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: http://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes

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