Bidspirit auction | Astronomy: Sefer Evronos, Frankfurt d’Oder,

Astronomy: Sefer Evronos, Frankfurt d’Oder, 1691, Rare edition. A Jewish work on astronomy by Rabbi Avraham Bellin Ashkenazi presenting methods and principles for creating a Jewish calendar and calculating the tekufos and molados. The sefer contains a variety of illustrations, charts, and one page with 4 astrological wheels - some are detached. The final pages contain charts with the Gregorian calendar based on the solar year. Pages : 36 Size: 17.7 cm Condition : Very fine condition, antique binding.