498542 Title Page for \'The Conclusions of the Astrolabye Compylyd by Geoffrey Chaucer Newlye Amendyd\' by Walter Stevins, c.1555 (pen and ink on paper) by English School, (16th century); Private Collection; (add.info.: A response to Geoffrey Chaucer\'s \'Treatise on the Astrolabe\'. An astrolabe is an elaborate inclinometer, historically used by astronomers, navigators, and astrologers. Sloane MS. 261.); English, out of copyright.