The Schoenberg Institute for Manuscript Studies at Penn brings manuscript culture, modern technology and people together.


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Manuscript Monday: LJS 400 – Commentary on the Zīj Gūrgānī

Dot Porter, Curator, Digital Research Services at the University of Pennsylvania Library, offers a video orientation to Penn Library’s LJS 400, Commentary on the Zīj Gūrgānī, also known as the Zīj-i jadīd-i Sultānī, by ʻAlī ibn Muḥammad Qūshjī. This manuscript was written in Iran, A.H. 899, in Persian, and it is comprised of tables of calendar calculations, trigonometry, planets, and stars compiled from observations made at the observatory in Samarqand.

You can see the full online facsimile of this work in Penn in Hand and you can download all of the images and metadata from OPenn. You can also download a copy of this video from ScholarlyCommons, the University of Pennsylvania’s open access institutional repository.