Dot Porter, Curator, Digital Research Services at the University of Pennsylvania Library, offers a video orientation to Penn Library’s LJS 268, Ptolemy’s Almagest. This manuscript was written by Ptolemy in Spain, in A.H. 783 (1381), in Arabic, and it is an Arabic translation of Ptolemy’s Almagest, an extensive treatise on Aristotelian astronomy, considering the motion of the stars and planets in a spherical, geocentric universe.
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.
The Schoenberg Institute for Manuscript Studies 