<p style='text-align: justify;'>Calendar from a treatise of Josiah b. Mevoraḵ al-ʿĀqūlī based on the idea that the Jewish calendar repeats itself exactly every 247 years followed by a critique of this assumption. At the bottom of recto is a note in a different hand on a calendar for the 19-year cycle 258 (1123–1142 CE).</p>