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Astrolabe: Eastern

`Isa ibn Allahdad1601

Adler Planetarium

Adler Planetarium
Chicago, United States

Body, rete, uninscribed diopter missing 1 sight, handle and ring. Three original tympans. Two extra, blank tympans. Replacement screws and nut. 48 star markers. Labeled in Arabic. "sana`ahu ada`af al-`ibad `isa wald allahdad asturlabi lahuri hamayuni ta'rikh shahr dhi al-hijjah" [The weakest of the servants (of God), `Isa ibn Allahdad, the astrolabe-maker, of Lahore, the Humayuni, date month Dhu al-hijjah (June 1009)]; "sanah 1009" [year 1009]

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Adler Planetarium

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