ספר יסוד עולם
By: ḥibro ṿe-gam ḥikro Yitsḥaḳ ha-Yiʹsreʼeli, talmid ha-Rosh ... be-ḥokhmat ha-ʻibur ṿe-h. ḳidush ha-ḥodesh ... s. meshubaḥ. mevaʼer kol ha-baraytot ... be-ʻinyan ha-ʻibur ... ṿeha-tekhunah ṿe-khol tseva ha-shamayim ... ṿ̣e-tosefet beʼur ... ha-Rambam ... ; gam ḥiber kol ha-luḥot ha-shayakhim le-khol ha-ḥeshbonot ... ʻa. y. ha-mevi. le-Ve. ha-defus ha-Rabani ... Barukh beha-rav Yaʻaḳov mi-Shḳlov
Contributors: Maimonides, Moses, 1135-1204; Wessely, Naphtali Herz, 1725-1805; Ḳatsenelenbogen, Avraham Mosheh, ha-Leṿi; Levin, Ẓevi Hirsch ben Aryeh Loeb, 1721-1800; Barukh ben Yaʻaḳov, mi-ḳ.ḳ. Shḳloṿ; Samuel Zanvil of Brandenburg; Fernbach, Judah Leib; Horwitz, Aaron b. Joseph Halevi; Mirels, Zebi Hirsch ben Aaron; Loewenstam, Yaʻaḳov Mosheh ben Shaʼul; Helir, Aharon ha-Leṿi; Eli mi-Pozan
Publisher: Ḥ. mo. l
Published: 1776
Place of publication: Berlin
Language: heb
Number of pages: 93
Subjects: Jewish astronomy; Astronomy; Early works to 1800; Rosh Hodesh; Time (Jewish law); Astronomie juive; Astronomie; Ouvrages avant 1800; Rosh' Hodesh
Other titles: Sefer Yesod ʻolam ...; Yesod olam
Notes: Title romanized.

Approbations by Tsevi Hirsh, Aharon bar Yosef Aharon ha-Leṿi Horṿitz, Zanṿil Nay Gas, Shemuʼel Zanṿil, Yehudah Leb F.B., Aharon ha-Leṿi Helir, Eli mi-Pozna, Tsevi Hirsh Mirels, Yaʻaḳov Moshe,

Poem in praise of the book: leaves 2-4 by Naftali Hirts Ṿizel.

Update of lunar tables and diagrams by Barukh ben Yaʻaḳov mi-ḳ.ḳ. Shḳloṿ (leaf 86b).

"Ketav semiḥut me-et ha-Rav ... a. b. d. deḳ.ḳ. Brisḳ de-Liṭa"--Leaf 93b.

Www.hebrew-bibliography.com, no. 0129717

Ṿinograd, p. 117, no. 289

Text in Hebrew.