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kas ta töötas päikesekell samas vanglas ei ole kindel, kuid ta kindlasti on valmistatud elevandiluust päikesekell aastal 1524, mis on endiselt olemas.
whether he worked on a sundial while in prison is uncertain but he certainly constructed an ivory sundial in 1524 which still exists.
mitmeid väiksemaid teoseid kirjutas al-khwarizmi sellistel teemadel nagu astrolabe, mille ta kirjutas kahe toote kohta, päikesekell, ja juudi kalender.
a number of minor works were written by al-khwarizmi on topics such as the astrolabe , on which he wrote two works, on the sundial, and on the jewish calendar.