Yesod HaNikud – basic book of Hebrew vowelization by renowned grammarian Rabbi Shlomo Zalman Henna. “Rephael HaLevi of Hanover”‘s signature appears on the title page. There is a lengthy handwritten comment on leaf 27b. Rabbi Rephael HaLevi of Hanover [1685-1779] was a Jewish mathematician and astronomer. He studied in the yeshivah of Frankfurt on the river Main, then learned science and languages on his own. He worked as an accountant for court Jew Wolf Oppenheimer in Hanover. He authored Techunat HaShamayim (Amsterdam, 1756) – a commentary on the laws of Kiddush HaChodesh by the Ramba”m, which was printed in several edition of Mishneh Torah L’HaRamba”m. [4] 82 leaves, 21.5 cm. Fine condition. Aging stains. Original binding.