Ibn Khalaf al-Murādī, (; 11th century) was an
Andalusian engineer.
Al-Murādī was the author of the technological manuscript entitled ''Kitāb al-asrār fī natā'ij al-afkār'' ('', The Book of Secrets in the Results of Thoughts'' or ''The Book of Secrets in the Results of Ideas'').
[Ahmed Djebbar, "Technology in the service of progress: The examples of hydraulic technologies," in ]
Civilization in the Mirror of Universal
', UNESCO, 2010, p. 292-304. It was copied and used at the court of
Alfonso VI of León and Castile
Alphons (Latinized ''Alphonsus'', ''Adelphonsus'', or ''Adefonsus'') is a male given name recorded from the 8th century (Alfonso I of Asturias, r. 739–757) in the Christian successor states of the Visigothic kingdom in the Iberian peninsula. ...
in Christian Spain in the 11th century.
The manuscript provides information about a "Castle and Gazelle Clock" and many other forms of complicated clocks and ingenious devices.
In 2008, the Book of Secrets of al-Muradi was published in facsimile, translated in English/Italian/French/Arabic and in an
electronic edition with all machines interpreted in 3D, by the Italian study center
Leonardo3.
References
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Inventors of the medieval Islamic world
11th-century scientists
11th-century Al-Andalus people