Treatise on the making of astronomical instruments
Description:
Contains tables and diagrams of the markings on astronomical instruments.Text rubricated; marginal notes in hand of copyist and others."Said by the dealer from whom it was purchased to be a rare work on astronomical instruments by Abū Jaʻfar Naṣīr al-Dīn Muḥammad ibn Muḥammad ibn al-Ḥasan, al-Ṭūsī, 587/1201-672/1274. No such treatise by Naṣīr al-Dīn is listed among his works by Suter or Brockelmann, and the author's name does not appear in this manuscript.... The beginning [is] lost ... it is apparent that many other folios have been either lost or misplaced." Cataloging by Elinor M. Husselman, 1945.Instructions on how to make astrolabes and other astronomical manuscripts, and how to use them in astronomical observations.