DescriptionChaucer astrolabe 2.jpg This is a representation PLATE I of Chaucer's astrolabe Date 1852 Source Treatise on the Astrolabe: addressed to his...
English So-called Chaucer Astrolabe dated 1326, similar to the one Chaucer describes, British Museum determination method or standard: SHA-1...
DescriptionTreatise on the Astrolabe 2.jpg English: Plate II to accompany The Treatise on the Astrolabe. Fig. 2. The front of the Astrolabe, with raised border...
DescriptionTreatise on the Astrolabe 4.jpg English: Plate IV to accompany The Treatise on the Astrolabe. Another form of the 'Pin,' shewing the Wedge cut...
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