Porter, Dot2023-05-232023-05-232015-09-142015-04-25https://repository.upenn.edu/handle/20.500.14332/46395http://hdl.library.upenn.edu/1017/d/medren/5700150Astronomy--Early works to 1800Astronomy MedievalJewish astronomy--Early works to 1800Astrolabes--Early works to 1800Geography Medieval CodicesAnnotationsCommentariesDiagramsTables (documents)TreatisesManuscripts Hebrew--16th centuryManuscripts RenaissanceBook