Sefer Ilem, Rabbi Yosef Shlomo Delmedigo. Amsterdam, [1628-1629]. Printed in Beit Menashe Ben Yisrael.
Essays on mathematics, astronomy, mechanics, physics and astrology, with many detailed and impressive schemes (with illustrations of figures).
Originally the book included five essays: Ilem, Ma'ayan Ganim, Chukot Shamayim, Gevurot Hashem and Ma'ayan Chatim. This copy does not include "Ma'ayan Ganim" nor the portrait and other leaves.
Many leaves in the book were completed by hand. Sefer "Sod Ha-Yesod" was fully completed here by hand, as well as its forward and illustrations. In the end of the book there are also handwritten additions.
The author, Rabbi Yosef Shlomo Delmedigo – The Yashar of Kandia (1591-1665), a doctor, philosopher, astronomer and mathematician, a student of Galileo Galilee. This book was the focus of polemics amongst the sages of his generation, Jews and Christians alike.
Signatures and owners' inscriptions: "the young Yehudah Leib…", "R' Shmuel…" and more.
18 cm. Fair condition, first leaves are worn. Moth damages. Many detached leaves. Ancient leather binding.