Dot Porter, Curator, Digital Research Services at the University of Pennsylvania Library, offers a video orientation to Penn Library’s LJS 204, Shesh kenafaim, by Immanuel ben Jacob Bonfils. The manuscript was written in Italy in 1509, in Hebrew, and it is an introduction and compilation in 6 divisions of astronomical tables concerning the movements of the sun and moon, solar and lunar eclipses, and the day of the new moon, calculated for the Jewish calendar and the longitude and latitude of Tarascon, Provence, the home of the author.
See the full online facsimile of this work in Penn in Hand.