org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Chaucer's Astrolabe Dutch Chaucers astrolabe, J.R. Smith, 1852 determination...
English So-called Chaucer Astrolabe dated 1326, similar to the one Chaucer describes, British Museum determination method or standard: SHA-1...
English Prologue of A Treatise on the Astrolabe, in The works of Geoffery Chaucer (1896), p. 397. determination method: SHA-1...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English determination method or standard: SHA-1...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English determination method or standard: SHA-1...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English determination method or standard: SHA-1...
DescriptionTreatise on the Astrolabe 1.jpg English: Plate I to accompany The Treatise on the Astrolabe. Fig. 1. The flat back of the Astrolabe. Date 1900 Source...
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 3.jpg English: Plate III to accompany The Treatise on the Astrolabe. Fig. 3. The 'Rewle' carrying two sights, which...
