TEXT
Risālah fī ʿilm al-ẓilāl
| Title (arabic) |
رسالة في علم الظلال
|
| Title (translit) |
Risālah fī ʿilm al-ẓilāl
|
| Author |
|
| Language |
Arabic
|
| Subject |
|
| Notes |
The 44 chapter work deals with the construction of several kinds of sundials and discusses the mathematical and astronomical principles relevant to gnomonics, such as the determination of hour lines or the curves of the lines for the midday (ẓuhr) and afternoon (ʿaṣr) prayers. |
| ismi_id |
52652
|
Manuscript Witnesses
1 witnesses:Literature References
Carandell, Juan. 1984. “An Analemma For The Determination Of The Azimuth Of The Qibla In The Risāla Fī ʿIlm Al‐Ẓilāl Of Ibn Al-Raqqām”. Zeitschrift Für Geschichte Der Arabisch-Islamischen Wissenschaften 1: 61-72.
Research.
Carandell, Juan. 1988. Risāla Fī ʿIlm Al-Ẓilāl De Muhammad Ibn Al-Raqqām Al-Andalusī. Barcelona: Universidad de Barcelona, Instituto" Millás Vallicrosa" de Historia de la Ciencia Arabe.
Pp. 51-117: Spanish translation by Carandell. Pp. 255-315: Edition by Carandell. Pp. 119-218: Research.
Rozenfeld, Boris, and Ekmeleddin İhsanoğlu. 2003. Mathematicians, Astronomers And Other Scholars Of Islamic Civilisation And Their Works (7Th-19Th C.). Istanbul: Research Centre for Islamic History, Art, and Culture.
P. 235 (no. 670), A1.