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Baha' al-Din Muhammad al-'Amili.

Tashrih al-falak (The Anatomy of Celestial Spheres).

[Safavid Iran : Late 17th/early 18th century CE] Stock Code: 138653
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This work on the structure of celestial spheres focusses on the sun, the earth and the other known planets of our solar system. Baha al-din was the first scholar in the Islamic world to develop the idea that the Earth rotated on its axis. He developed this theory independently of Copernicus and western influence. Instead Baha al-din aimed to address inconsistencies within Ptolemaic astronomy no longer congruent with the advances which had been made in the field in the Islamic world.
Baha al-Din Muhammad al-'Amili was born in February 1547 CE near to Baalbek in Ottoman-controlled Lebanon. He moved with his family at an early age to the Safavid empire - initially to Isfahan and later to the capital at Qazvin. His father was appointed by the ruler of the Safavid Empire, Shah Tahmasp I (r. 1524-1576), to the position of Sheikh al-Islam which was the highest ranking position in the religious establishment. Baha al-din Muhammad al-'Amili travelled extensively throughout the Middle East reportedly visiting Egypt and going on pilgrimage to Mecca. He passed away in Isfahan in 1621 CE and was buried in the holy city of Mashhad.

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Arabic manuscript on paper, 22 folios plus two fly leaves each with 9 lines of black naskh script, numerous diagrams, dated AH 1020 and AH 1025, two ownership stamps, two later added folios at the end of the manuscript with additional commentary and a diagram, seven large diagrams including one with a series of three orbits represented rendered in gold, blue and red pigments, the text with four chapters, the first chapter with ten definitions, set inside a soft leather binding. Folio 19.5 x 11.5cm.


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