Third Volume - Commentary on John of Holywood's Spheres - Index - Page 338 Third Volume - Astrolabe - Title page - Page 1
Third Volume - Commentary on John of Holywood's Spheres - Index - Page 337



Third Volume - Commentary on John of Holywood's Spheres - Index - Page 338 Third Volume - Astrolabe - Title page - Page 1 Third Volume - Astrolabe - Table of contents - Page 2