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An astrolabe is an elaborate inclinometer, and can be considered an analog calculator capable of working out several different kinds of problems in as Stock Photo - Alamy
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Astrolabe is an elaborate inclinometer and can be considered an analog calculator capable of working out several kinds of problems in astronomy Stock Photo - Alamy
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Amazon.com: Brass Astrolabe Vintage Antique Astrolabe 8" English Globe Navigation Maritime Astrological Calendar Collectible Navigation Astrolabe by Marine International : Office Products
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