Two Newly-discovered Astrolabes from ‘Abbasid Baghdad

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David A. King
This is the first description of two complete astrolabes from ‘Abbāsid Baghdad. One is by the enigmatic but prolific NasÐýlus and datable ca. 900-930, and the other is the first known instrument of A¬mad al-Muhandis, datable ca. 875. Both instruments and two additional incomplete ones also described
here, are fully in the tradition of Abbasid astrolabes, of which close to two dozen, not all complete, are now known and published.
Paraules clau
astrolabe, Baghdad, ‘Abbāsid, Nastulus, Ahmad al-Muhandis, latitudes, climates

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King, David A. “Two Newly-discovered Astrolabes from ‘Abbasid Baghdad”. Suhayl. International Journal for the History of the Exact and Natural Sciences in Islamic Civilisation, vol.VOL 11, pp. 103-16, https://raco.cat/index.php/Suhayl/article/view/267221.

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