Terrestrial and Celestial Globes Volume 1 / Their History and Construction Including a Consideration of their Value as Aids in the Study of Geography and Astronomy

by Edward Luther Stevenson

[55] Dorn, op. cit.

[56] Dorn, op. cit.

[57] See the list as given in the Fihrist, referred to in note 4. Naser ben Mohamed Abul Gioush, King of Castile, is referred to as having been much interested in astronomy, in which science he acquired such proficiency as to enable him to construct a number of very useful astronomical instruments.

[58] Lelewel, J. Géographie du moyen âge. Bruxelles, 1857. Vol. I, p. 116; Jourdain. Mémoire sur l’observatoire de Méragah. Paris, 1810. It is well known that under the direction of Nasr-Eddin, who was called to the charge of this observatory by Hulagu Khan, astronomical instruments were constructed.

[59] Dorn, op. cit.

[60] See the Fihrist, also a list as given by Dorn.

[61] Dorn, op. cit.

[62] Dorn, op. cit.

[63] Meucci, F. Il globo celeste arabico del seculo XI esistente nel Gabinetto degli strumenti antichi di Astronomia, Mathematica nel R. Istituto di Studi Superiori. Firenze, 1878.

[64] Assemani, S. Globus coelestis cufico-arabicus Veliterani Musei Borgiani. Patavii, 1790.