Astrolabe

What is an Astrolabe ? To answer this question in simple language was Geoffrey Chaucer's (astronomer-poet) chief object. He wrote his "Treatise on the Astrolabe" in 1387 for little Lewis, his lo-years- old son, to learn at Oxford. Manuscript copies of this work of Chaucer approaching completeness are very few in number and inaccessible to the general reader. He undoubtedly obtained the greater pa...