Western Islamic Astrolabes
(Version 2024)

This webpage is based on David A. King's Online Catalogue of Medieval Astronomical instruments; the website davidaking.org is no longer online but the relevant pages have been archived at archive.org Introduction to the cataloge   the catalogue itself;  See Part 1, Sections 3, 6, and Part 2, Section 4. [Note: the website could not be reached on Dec. 1, 2023 and therefore the link is to archive.org].
The word Islamic refers to culture and civilization, not to religion.
The purpose of this webpage is to provide the reader with easy access to online photos of Western Islamic astrolabes and with literature, if possible online. Some astrolabes have been omitted, but the numbering in King's list has been maintained.
See the end of the list for General literature on Western Islamic astrolabes, including abbreviations that have been used; Western Islamic authors who wrote on astrolabes (al-Majriti, Ibn al-Saffar, Ibn al-Samh, Ali ibn Khalaf, Ibhrahim al-Zarqali (or al-Zarqalluh), Abu al-Salt, Ibn Baso, Hasan al-Marrakushi, Ibn al-Banna), and astrolabe workshops which we held in Algiers in 2018. I also have a webpage on Eastern Islamic astrolabes.
Thanks are due to Dr. Rob van Gent (Utrecht) for additions to this webpage.
This webpage is incomplete and imperfect. For additions, comments and corrections please send an email to me at jphogendijk_at_gmail.com

Western Islamic Astrolabes

. Tenth and eleventh centuries.

Later Andalusi and Maghribi astrolabes (thirteenth to sixteenth century)

Late Maghribi astrolabes (seventeenth to nineteenth century)

Relevant other astrolabes

General literature on Western Islamic astrolabes, and abbreviations used in the astrolabe list


Anonymous article on the principle of the Saphea Arzachelis (Zarqali plate).
AIOS = F. Sezgin, ed., Arabische Instrumente in Orientalischen Studien, 6 vols., Frankfurt 1990 (vol. 1), 1991 (vols. 2-6).
Al-Andalus = Al-Andalus: The Art of Islamic Spain, ed. J.D. Dodds, New York, Metropolitan Museum of Art, 1992.
AHP=Acucena Hernández Pére, Catálogo razonado de los astrolabios de la Espana medieval, Madrid 2018.
CCA: Sharon L. Gibbs, Janice A. Henderson, Derek de Solla Price, Computerized checklist of astrolabes, Yale University, History of Science Department, 1973, typescript, scan (22.5 MB).
CI2, CI3: Replicas in the Istanbul Museum of Science and Technology in Islam are described in F.Sezgin, Catalogue of the Instruments of the Institute for the History of Arabic and Islamic Sciences, Frankfurt 2010, 5 vols. Download the part of vol. 2 on astrolabes. CI3 is volume 3, which includes clocks.
Cueillir les Étoiles = Cueillir les Étoiles: Autour des astrolabes de Strassbourg, Strassbourg 2002.
ELCA= El Legado Científoci Andalusí Museo Arqueológoco Nacional, Madrid, Abril-Junio 1992.
Gibbs = Sharon Gibbs, George Saliba, Planispheric Astrolabes from the National Museum of American History, Washington 1984, scan (archive.org).
Franco = S. G. Franco, Catálogo crítico de astrolabios existentes en Espana, Madrid 1945.
Gunther = Robert T. Gunther, The astrolabes of the world, Vol. 1: the Eastern astrolabes, Oxford 1932: pp. 109-304 reprinted in F. Sezgin, ed. Islamic Mathematics and Astronomy vol. 94, Frankfurt 1998. Scan of the chapter (pp. 249-302) on Maghrebi ("Moorish") astrolabes.
H = Hijra chronology.
ISH2 = David A. King, In Synchrony with the Heavens vol. 2, Instruments of Mass Calculation, 2005, download (archive.org).
David A. King, On the Early History of the Universal Astrolabe in Islamic Astronomy, and the Origin of the Term Shakkaziya in Medieval Scientific Arabic, Journal for the History of Arabic Science 3 (1979), 244-257, scan. *
L'Age d'Or = L'Age d'Or des Sciences Arabes, exposition presentée à l'Institut du monde arabe, Paris, 25 october 2005 - 19 mars 2006.
Maier - L.A. Maier, Islamic astrolabists and their works, Geneva 1936. scan. This work is indispensable for bibliographical purposes.
Pingree = David Pingree, Eastern Astrolabes. Historic Scientific Instruments of the Adler Planetarium and Astronomy Museum vol. 2. Chicago 2009.
H. P. J. Renaud, Quelques constructeurs d'astrolabes en occident Musulman, Isis vol. 34 no. 1 (1942), pp. 20-23, available online (JSTOR) at https://www.jstor.org/stable/225994
S.R. Sarma, The .safI.ha zArqaliyya in India, From Bagdad to Barcelona, Studies in the Islamic Exact Sciences in Honour of Prof. Juan Vernet, Barcelona 1996, vol. 2, pp. 719-735, scan.
Samso = Julio Samsó On Both Sides of the Strait of Gibraltar: Studies in the History of MEdieval Astronomy in the Iberian Peninsula and the Magbrib, Leiden 2020, pp. 373-470 on astrolabes.
L.-A. Sédillot, Mémoire sur les instruments astronomiques des Arabes, 1841 (Mémoires présentés par divers savants à l'Académie royale des inscriptions et belles-lettres) digital version (archive.org), also here.
L.- A. Sédillot, Matériaux pour servir à l'histoire comparée des sciences mathématiques chez les Grecs et les Orientaux, Paris, 1845-1849, 2 vols., paginated serially, digital version (e-rara.ch). Part of vol. 1 is about the astrolabe.
Stautz = Burkhard Stautz, Untersuchungen von mathematisch-astronomischen Darstellungen auf mittelalterlichen Astrolabien islaimscher und europäischer Herkunft, Bassum. Verlag für Geschichte der Naturwissenschaften und Technik, 1997. Stautz indicates the diameters of the astrolabes with the symbol ø.

Medieval Western Islamic authors who wrote on astrolabes, and instrument makers in the Western Islamic world (in chronological order):

Maslama al-Majriti (died Cordoba, al-Andalus, 1007). Article on him by Josep Casulleras, html   pdf.
Paul Kunitzsch, Richard Lorch, Maslama's notes to Ptolemy's Planispherium and related texts, München 1994, download here (publikationen.badw.de) or here (zobodat.at)
Arabic transcription by Paul Hullmeine of notes by Maslama ibn Ahmad al-Majriti, with images of the manuscriupt (Paris, Bibliothèque Nationale, Fonds Arabe 4821) https://ptolemaeus.badw.de/work/206
J. Vernet, M. Catalá, Las obras matematicas de Maslama de Madrid, Al-Andalus 30 (1965), pp. 15-45, available online (proquest), scan. *

A.hmad ibn al-.SaffAr (born Cordova, al-Andalus, died Denia al-Andalus, 1035, the brother of the instrument maker Mu.hammad ibn al-.SaffAr), article on him by Monica Rius. html, pdf.
J. Millas Vallicrosa, (1) Los primeros tratados de astrolabio en el Espana arabe, and (2) edition of the Arabic text of the astrolabe text of Ahmad Ibn al-Saffar (the brother of the instrument maker) in Revista del Instituto Egipcio des Estudios Islamicos 3 (1955), Spanish part p. 35-49, Arabic part 47-76, scan.
Richard Lorch e.s., Ibn al-Saffar's Traktat ü das Astrolab in der Übersetzung von Plato von Tivoli, in: Cosmographica et Geographica: Festschrift für Herbert M. Nobis, München 1994 p. 125-180 (series Algorismus vol. 13). Another translation by Johannes Hispalensis in J. Millas Vallicrosa, Las traducciones orientales en los manustritos de la Bibliotheka de la Cathedral de Toledo, Madrid 1942, pp. 261-284.

Ibn al-Sam.h (Cordoba 979 - Granada 1035). Article on him by Monica Rius html   pdf.
Arabic manuscript of his work K. al-`amal bi-l-asturlab, London British Library Add. 9602/2, online at Qatar Digital Library, or download pdf.
Merce Viladrich, El-Kitab al-`Amal bi-l-Astrolab (Llibre de l'Ús de l'Astrolabi) d'Ibn al-Samh, Estudi i Traducció, Barcelona 1986. (Dr Viladrich also made an Arabic edition which is available but apparently was never published)

Ali ibn Khalaf (11th c. Al-Andalus), article on him by Roser Puig.
Emilia Calvo, La lámina universal de Ali b. Jalaf (s. XI) en la versión alfonsi y su evolución en instrumentos posteriores, in: Ochava espera y Astrofisica, ed. M. Comes et. al, Barcelona 1990 pp. 221-238.

Ibrahim al-Zarqali (or al-Zarqalluh) (died Cordoba, al-Andalus, 1100). Article on him by Roser Puig, html   pdf.
Roser Puig, Los Tratados de Construcción y Uso de la Azafea de Azarquiel, Madrid 1987 *.
Roser Puig, Al-Sakkaziyya, Ibn al-Naqqas al-Zarqalluh, Edición, traducción y estudio, Barcelona 1986. *
Roser Puig, La proyeccion ortographica en el Libro de la Acafeha Alfonsi, De astronomia Alphonsi Regis, Proceedings of the Syumposium on Alphonsine Astronomy held at Berkeley (august 1985) together with other papers on the same subject, Barcelona 1987, pp. 125-138. *
Roser Puig, Concerning the .safI.ha shakkAziyya, Zeitschrift für Geschichte der arabisch-islamischen Wissenschaften 2 (1985), 123-139. *
Roser Puig, Al-Zarqalluh's Graphical Method for Finding Lunar Distances, Centaurus 32 (1989), 294-309. *
Roser Puig, On the Eastern sources of Ibn al-Zarqalluh's orthographic projection, From Bagdad to Barcelona, Studies in the Islamic Exact Sciences in Honour of Prof. Juan Vernet, Barcelona 1996, vol. 2, pp. 737-753.
E.Wiedemann, Theodor Mittelberger, Einleitung von al-Zarqali zu einer Schrift über die nach ihm benannte Scheibe, Beiträge zur Geschichte der Naturwissenschaften LXIX, Sitzungsberichte der physikalisch-medizinischen Sozietät in Erlangen 58-59 (1926-27), pp. 197-202, scan (zobodat.at)

Abu al-Salt (Al-Andalus, ca. 1068 - Bejaia, 1134 CE).Article on him by Merce Comes html   pdf.
Arabic manuscript of his work on the use of the astrolabe, ms. Paris, Bibliothèque Nationale, Fonds Arabe, 6441, Digital Version (gallica.fr).

Ibn Baso (al-Andalus, died 1316 in Granada), article on him by Emilia Calvo.
Emilia Calvo, ed. tr. Abu `AlI al-.Husayn ibn bA.so (m. 716/1316), risAlat al-.safI.ha al-Yami`a li-yamI` al-`urU.d, Tratado sobre la lámina general para todas las latitudes,, Madrid 1993. *
Emilia Calvo, Ibn Baso's astrolabe in the Maghrib and East, From Bagdad to Barcelona, Studies in the Islamic Exact Sciences in Honour of Prof. Juan Vernet, Barcelona 1996, vol. 2, pp. 755-767. *
Emilia Calvo, A study of Ibn Baso's Astrolabe, Archives Internationales d'Histoire des Sciences (2000),264-295. *
Emilia Calvo, On the Construction of Ibn Baso's Universal Astrolabe (14th c.) according to a Moroccan Astronomer of the 18th century, Journal for the history of Arabic Science 10 (1992-4), 53-67, scan. (archive.org)
Emilia Calvo, Transformation of Coordinates in Ibn Baso's Al-Risala fi'l-Safiha al-Mujayyyaba dhat al-awtar, Journal for the History of Arabic Science 12(2001), 3-21. scan (archive.org)
Emilia Calvo, Ibn Baso's Universal Plate and its influence in European astronomy, Historia Scientiarum 18 (1992), 61-70.Download   Download the whole vol. 18.

.Hasan Al-Marrakushi (second half of 13th century CE): Article on him by Francois Charette html   pdf. al-Marrakushi, Jami` al-Mabadi' wa-l-Ghayat, Facsimile edition, Frankfurt 1984, 2 vols., scan of volume 2, ,   scan of volumes 1 and 2 . See also Sédillot. Note that al-Marrakushi worked in Cairo.

Ibn al-Banna' (Marrakesh 1256-1310) Article on him by Julio Samso html   pdf.


A. Djebbar, M. Aballagh, .hayAt wa-mu`allafAt Ibn al-BannA' al-marrAkushi, Rabat 2001.
On the works of Ibn al-Banna on astrolabes see: Roser Puig, El-taqbIl `alA risAlat al-.safI.ha al-zarqAliyya de Ibn al-BannA' de MarrAkush, Al-Qantara 8 (1987), 45-64;
Emilia Calvo, la risAlat al-.safI.hat al-mushtarakat `alA al-shakkAziyya de Ibn al-Banna' de MarrAkush, Al-Qantara 10 (1989), pp. 21-50.

Workshops on Western Islamic astrolabes.

Workshop on the abjad numeral system. Even for readers who do not know Arabic, mastering this system takes only 30 minutes. For Western Islamic astrolabes, you will need the Western abjad system, which differs in only a few details from the Eastern Islamic system. See the end of part 1 of the workshop.

Workshop on reading an astrolabe made by al-Battuti: (held in Algiers 2018)
Handout
Reference sheet
Links to photos: Adler Planetarium, item A-76, direct link: https://adler-ais.axiellhosting.com/Details/collect/453 which will give access to the first of 20 fotos, for the other photos click on the arrows above the image. For this workshop you will need the photos 1/20, 4/20, 6/20, 7/20, 8/20 and 12/20.
For the bonus exercise at the end: astrolabe no. 51459 in the History of Science Museum in Oxford, astrolabe   spider   back side
Readers who do not know Arabic can come a long way if they learn the abjad numeral system first (see above)

Workshop on designing an astrolabe according to traditional methods.
This workshop has been held in Lahore (Feb. 2018), Algiers (Nov. 2018) and in the Mathematics Village near Eskisehir, Turkey (Oct 2022). The links is to the workshop in the most recent version, which uses the traditional astrolabe construction methods by Taqi al-Din ibn Maruf (ca. 1575).

My team members have also produced an introductory workshop on the astrolabe, using a cardboard and plastic model based on an islamic astrolabe, a workshops on the Zarqali plate and a workshop on the Zawraqi astrolabe. These three workshops are not available online.


2023