Third Volume - Commentary on John of Holywood's Spheres - II - Page 188 Third Volume - Commentary on John of Holywood's Spheres - II - Page 189
Third Volume - Commentary on John of Holywood's Spheres - II - Page 187



Third Volume - Commentary on John of Holywood's Spheres - II - Page 188 Third Volume - Commentary on John of Holywood's Spheres - II - Page 189 Third Volume - Commentary on John of Holywood's Spheres - III - Page 190