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Astrolabe, Iran, AD 1221/1222, diameter of 7 inches, Bliss Collection of Astronomical Instruments

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100234560

Astrolabe, Iran, AD 1221/1222, diameter of 7 inches, Bliss Collection of Astronomical Instruments

2018

Abi Bakr, Muhammad b. (artist)

Meyer, Kendra (photographer)

Digital Photographs

Inscribed: Made by Muhammad b. Abi Bakr b. Muhammad al-Rashidi al-Ibari [or al-Abiri] al-Isfahani". "618 [A.H. = 1221-2 A.D.]"

Astrolabe with rete incorporating sights, 2 latitude plates, mater with pierced throne. The back has a calendar with three apertures, one showing the lunar phase, one the numerical age of the moon, one the positions of the sun and moon in the zodiac. The calendar, worked by the motion of the rete, is moved by a gear train within the mater, comprising 5 cog wheels, 2 of which are double. Pin and horse.

Another example at the Museum of the History of Science in Oxford, 48213

Iran

Astronomy

Astrophysics

Asia

Bliss Collection of Astronomical Instruments

Information on rights available at the repository.

Astrophysics

Collection

Citation

Abi Bakr, Muhammad b. (artist) and Meyer, Kendra (photographer), “Astrolabe, Iran, AD 1221/1222, diameter of 7 inches, Bliss Collection of Astronomical Instruments,” AMNH Research Library | Digital Special Collections, accessed July 16, 2019, http://lbry-web-007.amnh.org/digital/index.php/items/show/85871.