Third Volume - Commentary on John of Holywood's Spheres - I - Page 18 Third Volume - Commentary on John of Holywood's Spheres - I - Page 19
Third Volume - Commentary on John of Holywood's Spheres - I - Page 17



Third Volume - Commentary on John of Holywood's Spheres - I - Page 18 Third Volume - Commentary on John of Holywood's Spheres - I - Page 19 Third Volume - Commentary on John of Holywood's Spheres - I - Page 20