Third Volume - Commentary on John of Holywood's Spheres - I - Page 30 Third Volume - Commentary on John of Holywood's Spheres - I - Page 31
Third Volume - Commentary on John of Holywood's Spheres - I - Page 29



Third Volume - Commentary on John of Holywood's Spheres - I - Page 30 Third Volume - Commentary on John of Holywood's Spheres - I - Page 31 Third Volume - Commentary on John of Holywood's Spheres - I - Page 32