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Keywords from Image Description:
The Book of Remedies from Deficiencies in Setting Up Marble Sundials WDL. Artwork ru fr Shihb alDn Ah mad Umar Ism Muh ammad Ab Bakr alS Ibn alS Mort en selon le calendrier musulman aprs JC en Shihb alDn Ah mad Umar Ism Muh ammad Ab Bakr alS Ibn alS Died AH AD zh Shihb alDn Ah mad Umar Ism Muh ammad