Dot Porter, Curator, Digital Research Services at the University of Pennsylvania Library, offers a video orientation to Penn Library’s LJS 172, Tabulae directionum et profectionum, by Joannes Regiomontanus. This manuscript was written in Austria or Hungary, circa 1476, in Latin, and it includes astronomical tables of declinations and ascensions and a table of sines, copied not long after their completion by Regiomontanus in 1467.
You can see the full online facsimile of this work in Penn in Hand and you can download all of the images 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 