Bidspirit auction | First Edition of a Rare

First Edition of a Rare Book! Yessod Olam, on the Wisdom of the Ibur. Berlin, 1777 - First Edition of a Rare Book! Yessod Olam, on the Wisdom of the Ibur. Berlin, 1777 Yessod Olam, on the wisdom of the Ibur, by Rabbeinu Yitzchak Hayisraeli. Berlin, [1777]. First edition. Rare. Sefer Yessod Olam, by Rabbi Yitzchak ben Rabbi Yosef Ben-Yisroel, a disciple of the Rosh, on the wisdom of the Ibur, Hilchot Kidush Hachodesh with tables that were updated and corrected by the editor. Berlin, [1777]. An edition that was based on an ancient manuscript. [1], 93, [5] leaves. With folding sketched-plates. Measurement: 20 cm