X-Nico

unusual facts about Tractatus de Sphæra



Mattithiah ben Solomon Delacrut

a commentary on Solomon Abigdor's Hebrew translation of Sacrobosco's treatise on astronomy, Tractatus de Sphæra, or "Aspectus Circulorum," (Hebrew, "Mar'eh ha-Ofannim"), with an explanation of the difficult passages of the translation according to the reading of his masters of the University of Bologna, and the interpretation he had found in Christian works (Cracow, 1720)


see also