Muḥammad ibn ʿAbd Allāh Nasṭūlus (known as Nasṭūlus, but also referred to as Basṭūlus) was a 10th century astronomer. He is known for making one of the oldest surviving astrolabes, dated 927/928,[2] as well as of another partially preserved astrolabe that bears his signature, "Made by Nasṭūlus in the year 315" of hijra (925).[2][3]

Very little is known about Nasṭūlus. His full name, based on a testimony given by a contemporary astronomer, Abu Sa'id al-Sijzi, indicates that he was a Muslim, but some modern historians have suggested that his foreign last name may indicate that he was Greek or Nestorian.[2]

References

  1. ^ Dodge, Bayard (1970). The Fihrist of Al-Nadīm: A Tenth-century Survey of Muslim Culture. Columbia University Press. p. 671. ISBN 978-0-231-02925-4.
  2. ^ a b c Rius 2007.
  3. ^ King, David A. (1999). World Maps for Finding the Direction and Distance of Mecca: Examples of Innovation and Tradition in Islamic Science. BRILL. p. 87. ISBN 978-90-04-11367-1.

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