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astrolabe is an instrument that have many functions: to calculate the position of the sun and stars, measure the heights Stock Photo - Alamy
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astrolabe is an instrument that have many functions: to calculate the position of the sun and stars, measure the heights Stock Photo - Alamy
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Amazon.com: Astrolabe 1574 Nhumphrey ColeS Astrolabe 1574 Showing Alidade Or Sight Rule The Rete Or Star Map Removable Plate With Lines Of Altitude And Hours Within The Graduated Rim Proper Use Of
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