Author
the Andalusian polymath Abū al-Ṣalt Umayyah ibn ‘Abd al-‘Azīz ibn Abī al-Ṣalt al-Dānī al-Andalusī
Publication Date
13th century (CE, Gregorian)
Type
Book
Language
Arabic
Digital
Yes
Manuscript
Yes
Pages Count
1
Library
Qatar Digital Library
Library Asset ID
Or 5479, ff 2r-36v
Record ID
vdc_100030447153.0x000005
Library Location
British Library: Oriental Manuscripts
Date
13th century (CE, Gregorian)
Notes
Treatise on the use of the
astrolabe
Ancient instrument for astronomical observations.
by the Andalusian polymath Abū al-Ṣalt Umayyah ibn ‘Abd al-‘Azīz ibn Abī al-Ṣalt al-Dānī al-Andalusī (Azīz Abu al-Salt Umayyah ibn Abd al-Aziz ibn Abi al-Salt al-Dani al-Andalusi; d. 1134).
The treatise is divided into 90 short chapters (sections). There is a table of annual locations of the Sun along the ecliptic (f. 5r).
Begins (f. 2v, lines 2-10):
The honorable Sheikh Abu Al-Salt Umayyah bin Abdul Aziz bin Abi said
I prayed, Praise be to God, may He be exalted, the best of what he opened with, invoked his blessing, and prayed to God
On the elite of His creation and peace. This section includes several sections
Working with the astrolabe is necessary and indispensable, provided one understands it
The one who looks at it with great understanding does not know about it and understands everything else that might happen to him or be delivered
It is one of the partial issues that he left talking about because they fall under the meanings
The comprehensive university, and nothing was mentioned in it of chapters or chapters except what was
All or most of his work is what is possible with this machine, unless it is otherwise
We did not work on that, and God grants success to what is right
Ends (ff. 36r, line 21-36v, line 3):
...And take one-sixth of it and multiply it by the hours away from
Witr, whatever it is, is the modification, then see if it is evidence of astronomy
The straight line is less than the country guide. I also increased the modification in parts
Management
Colophon
Section at the end of a manuscript text.
(f. 36v, lines 4-5):
The work was done with the astrolabe
Praise be to God, Lord of the Worlds, and may His blessings and peace be upon our Master Muhammad and his family
Erişim Koşulları
Unrestricted
Seçilmiş kaynakça
Studies:
Rosenfeld, B. A. and Ekmeleddin Ihsanoğlu,
Mathematicians, Astronomers, and Other Scholars of Islamic Civilization and Their Works (7th–19th c.)
, (Istanbul: IRCICA, 2003)
Comes, Mercè, 'Abū al-Ṣalt: Umayya ibn ‘Abd al-‘Azīz ibn Abī al-Ṣalt al-Dānī al-Andalusī', in
The Biographical Encyclopedia of Astronomers
, Thomas Hockey et al., eds., (New York: Springer, 2007) pp. 9-10
