Collection of [5] Important Books of Astronomy and Astrology. Many Diagrams

Collection of [5] Important Books of Astronomy and Astrology. Many Diagrams

* Techunat HaShamayim - astronomic work by Rabbi Rephael HaLevi. Amsterdam, 1756. First edition. Diagrams and tables. 

Before us is the first edition of the commentary Techunat HaShamayim about the paths of the stars, written in order to understand the Ramba"m's words in the halachahs of Kiddush HaChodesh, printed as well in several editions of Mishneh Torah L'HaRamba"m. There are tables on leaves 33-38, as well as many diagrams along the length of the book. As in most copies, there are [2] leaves lacking at the end of Kuntress Acharon by the publisher, which deals with a different topic. The copy before us also lacks leaf 38. Stefansky, Sifrei Yessod 515.

* Chazon LaMo'ed by Rabbi Yisrael David Margaliot, known as David Serder. Pressburg, 1843. First edition. Astronomic diagrams.

Includes four topics: A. ... Study schedule for Chochmat HaTevunah, B. Schedule of evronot to determine festivals and moladot and tekufot which elucidates that all the disputes ... for one calculation ... 3. The obligation outside of the Land of Israel to keep Yom Tov Sheni due to the calculation of the molad and how the calculation is correct in the Land of Israel ... D. "Poteach Petach" ... Introduction to astronomy to comprehend the halachahs of Kiddush HaChodesh.

The author Rabbi Yisrael David Jaffe Margaliot Schlesinger [1802-1864] was a disciple of the Chatam Sofer and of other Hungarian rabbis. He battled "mechadshim, " and primarily battled changing customs that had been preserved in terms of synagogue structure and prayer order.

* Yessod Olam. Composition on the study of astronomy by the ancient Yitzchak HaYisraeli, disciple of the Ro"sh. Printed for the first time from a manuscript in the archives of Rabbi Tzvi Hirsch Levine. Berlin, 1777.

Incomplete copy. Lacking the introduction and some of the sketches. Completed by hand, and more sketches added.

* Sefer HaEvronot. Krakow, 1881. Many tables and sketches.

[2], 2-16, [7] leaves.

* Toldot HaShamayim. Zhitomir, 1866. With the two leaves of diagrams.

Astronomic information and the wisdom of the heavens ... Calculations of the path of the sun and the moon with the times of eclipses, by Chaim Zelig Smilansky. Second edition with many supplements. Two large folding leaves with sketches. Incomplete copy.

Various sizes and conditions. Overall fine condition. Important signatures.