RARE monograph on Jewish calendar as recorded in Rabbinical writings, written by Benedict Zuckermann (1818-1891), a renowned Jewish scientist and teacher of mathematics and calendric science in the academic department of Jewish Theological Seminary of Breslau under the directorship of Zecharias Frankel, also acting as librarian and administrator of the stipendiary fund. 230x155mm. 68 pages. Marbled board rebound Hardcover with cloth spine. Cover edges and corners bumped and worn (corners peeling). Spine edges bumped and rubbed. Correction fluid writing on spine. Pen inscription on front inner cover upper corner. Small faded stamp on title and last pages. Several tiny holes on pages 61-68 inner edge (near binding) with very slight damage to several words (which are, however, easily reconstructible). Pages yellowing and slightly wavy. [SUMMARY]: This extremely rare study of Jewish ancient calendar by the leading authority in the field of calendric science is otherwise in good condition.