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Original paper:

>With its provenance, this astrolabe is one of the earliest Islamic astrolabes documented in early modern Italy still preserved today.

...

>The astrolabe is Andalusian, and from the style of the engraving and the arrangement of the scales on the back, it can be compared to instruments made in Spain in the eleventh century. The astrolabes made in Toledo by Ibrāhīm ibn Saʿīd al-Sahlī during the period of the Taifa (ca. AD 1018–1085) present similarities...

https://brill.com/view/journals/nun/39/1/article-p163_9.xml




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