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Ptolemaeus

Arabus et Latinus

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Work C.1.1250a

Naṣīr al-Dīn al-Ṭūsī
Risāla fī 'khtilāf awḍāʿ marākiz aflāk ʿuṭārid fī masīrāti-hā wa-maqādīr abʿād markaz al-tadwīr ʿan markazay al-ʿālam wa-muʿaddil al-masīr

Note

Short work usually appended to Naṣīr al-Dīn al-Ṭūsī’s Taḥrīr al-Majisṭī devoted to the computation of the centers of the spheres of Mercury. It includes a set of twenty figures and three tables.

MSS