Tag: Clocks

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R&D Lessons from Muslim Civilisation

by Salim Al-Hassani Published on: 27th February 2023

This short article is a highlight of an online lecture recently given on 19 February 2023 by Professor Salim Al-Hassani, organised by FARDA (Future Awareness through Rational and Actions), Uppsala University, Sweden).

©Khalili Foundation CC-BY-SA 3.0 IGO

The Clocks of Makkah Over Time

by Salim Al-Hassani Published on: 28th March 2022

Historical records on the clocks of Makkah (Mecca) are scarce. This paper brings together various scattered information from descriptions found in primary sources and from sketches found in old pilgrimage certificates, guides, and prayer books…

The Clocks of the Andalusian Ibn Khalaf al-Muradi

by Salim Al-Hassani Published on: 2nd January 2022

Little known book, Kitab al-Asrar, by the Andalusian engineer Ibn Khalaf al-Muradi. In this treatise, Al-Muradi describes how to construct a wide variety of ingenious mechanical devices. Using written instructions and diagrams, al-Muradi’s work describes…

Study of the treatise of Radwan al-Sa’ati

by Mona Sanjakdar Chaarani Published on: 31st August 2021

The present study is based on the 13th-century treatise of Radwan al-Sa'ati, which describes in details the clock of the Jayrûn Gate. Far from being historical or critical, this technical and analytical study allows, by…

Étude du traité de Radwan al-Sa’ati

by Mona Sanjakdar Chaarani Published on: 11th August 2021

Radwan al Sa’ati, poet, doctor and gifted clockmaker of the 6th century AH, devoted his treatise « ‘Ilm al-Sa’at wa al-‘Amal biha » to the detailed description of the hydraulic clock found at the Jayûn…

Baghdad Clock in Aachen: Harun al Rashid’s Gift to Charlemagne

by Salim Al-Hassani Published on: 7th May 2021

The water clock that Abbasid Caliph Harun al-Rashid (d. 809 CE), gifted to Charlemagne, the Holy Roman Emperor (d. 814 CE) is investigated. Origins and transfer of the clock technology is reviewed. The water clock…

Al-Jazari’s Peacock Clock (1206 CE)

by Salim Al-Hassani Published on: 29th December 2020

The Peacock Clock is the sixth machine described by al-Jazari in his famous treatise of mechanics Al-Jami‘ bayn al-‘ilm wa 'l-‘amal al-nafi‘ fi sina‘at al-hiyal (A Compendium on the Theory and Useful Practice of the…

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Madinat al-Zahra and the Spaces of Knowledge

by Susana Calvo Capilla Published on: 20th February 2020

The Revival of Classical Antiquity in Cordoba in the 10th century:

Al-Jazari and the Castle Clock

Al-Jazari and the Castle Clock

by Media Desk Published on: 19th May 2018

Video regarding a brief biography of Al-Jazari and the explanation of his Castle Clock...

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The Journey of Automatic Machines in Muslim Civilisation

by Salim Al-Hassani Published on: 24th October 2016

This keynote lecture reviews the rise and development of automatic machines within Muslim civilisation. It looks at how inventors from the Muslim civilisation progressively transformed achievements of previous cultures (e.g. ancient Mesopotamia, Egypt, Greece, Persia,…

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A Fascinating Journey of Clocks in Muslim Civilisation

by News Desk Published on: 6th November 2015

On 22-23 October 2015, the “3rd International conference on History of Medicine and Cures (Colloque international de l’histoire de medecine)” was opened at Fez university of Sidi Mohammed ben Abdullah (Faculté de Médecine et de…

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Lund Astronomical Clock

by Christian Etheridge Published on: 26th August 2015

The genesis of this article lies in a recent visit to the Romanesque cathedral of Lund. While in the cathedral, I walked over to the medieval astronomical clock to await the moving figures and music…

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Ingenious Clocks from Muslim Civilisation that Defied the Middle Ages

by Cem Nizamoglu Published on: 21st August 2015

TIME TELLING MACHINES: Revealing marvellous mechanical and water-powered clocks from early Muslim Civilisation. These sophisticated devices that defied the Middle Ages.

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The International Year of Light Sheds Light on the Dark Ages

by News Desk Published on: 27th June 2015

The UNESCO International Year of Light and Light-Based Technologies is a multi-faceted celebration of light in its scientific, technological and cultural context. Central to this has been the recognition of Ibn al-Haytham as the founder…

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The Mechanical Water Clock Of Ibn Al-Haytham

by Salim Al-Hassani Published on: 22nd November 2013

The Foundation for Science, Technology and Civilisation (FSTC) announces their new achievement in the history of Islamic clocks. For the first time, the work of Ibn al-Haytham on the water clock (Maqala fi ‘amal al-binkam)…

Al Jazari's Elephant Clock at Sharjah Museum for Islamic Civilisation, UAE

Al Jazari’s Elephant Clock at Sharjah Museum for Islamic Civilisation, UAE

by Media Desk Published on: 13th May 2012

Al Jazari's Elephant Clock (c. 600 AH / 1200AD) at Sharjah Museum for Islamic Civilisation, Sharjah, UAE...

Al-Jazari's 800 Year Old Automatic Elephant Clock

Al-Jazari’s 800 Year Old Automatic Elephant Clock

by Media Desk Published on: 27th July 2011

Al-Jazari's 800 Year Old Automatic Elephant Clock Would you like to support our channel?...

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From Frankfurt and Cairo to Damascus: Recent Models of the Umayyad Mosque Clock

by Abdel Aziz al-Jaraki Published on: 6th January 2011

From Frankfurt and Cairo to Damascus: Recent Models of the Umayyad Mosque Clock, The Umayyad Mosque Clock, Abdel Aziz al-Jaraki, Eilhard Wiedemann, Fritz Hauser, Fuat Sezgin, Donald Hill, Ridhwan al-Sa'ati, Banu Musa, Al-Jazari, Al-Khazini, history…

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Ridhwan al-Sa’ati: A Biographical Outline

by Moustafa Mawaldi Published on: 29th June 2008

Fakhr al-Dīn Ridhwān ibn Rustam al-Sā'ātī (d. between 618-626 H/1220-1229 CE) was a scholar and mechanical engineer, author of the book ‘Ilm al-sā'āt wa 'l-'amal bihā in which he described the famous public clock set…

The Astronomical Clock of Taqi Al-Din: Virtual Reconstruction

by Salim Al-Hassani Published on: 19th June 2008

In his book The Brightest Stars for the Construction of Mechanical Clocks (Al-Kawakib al-durriyya fi wadh' al-bankamat al-dawriyya), Taqi al-Din Ibn Ma'ruf analyses the four main types of time keeping devices known in the 16th…

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Al-Jazari’s Third Water-Raising Device: Analysis of its Mathematical and Mechanical Principles

by Salim Al-Hassani Published on: 24th April 2008

Five pumps or water-raising machines are described by al-Jazari in his monumental treatise of mechanics Al-Jami' bayn al-‘ilm wa 'l-‘amal al-nafi' fi sina'at al-hiyal (A Compendium on the Theory and Useful Practice of the Mechanical…

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Al-Jazari’s Castle Water Clock: Analysis of its Components and Functioning

by Salim Al-Hassani Published on: 13th March 2008

The first machine described by al-Jazari in his famous treatise of mechanics Al-Jami‘ bayn al-‘ilm wa 'l-‘amal al-nafi‘ fi sina‘at al-hiyal (A Compendium on the Theory and Useful Practice of the Mechanical Arts) is a…

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Overview on al-Jazari and his Mechanical Devices

by Yavuz Unat Published on: 25th February 2008

In this article, Professor Yavuz Unat, a known historian of science from Ankara University, draws a general survey on al-Jazari and his treatise. He describes some of his machines and points out the numerous technological…

Muslim Heritage: alJazari's Scribe Clock

Muslim Heritage: al-Jazari’s Scribe Clock

by Media Desk Published on: 2nd November 2007

al-Jazari's 800 year old automatic Scribe clock using water technology. An example of the Muslim orgins of modern automation and robotics.

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When Ridhwan al-Sa’ati Anteceded Big Ben by More than Six Centuries

by Abdel Aziz al-Jaraki Published on: 11th April 2007

The following article by Abdel Aziz al-Jaraki, a scholar from Damascus, describes the context of the investigation carried on since several decades on a famous clock built by Fakhr al-Din Ridhwan al-Sa'ati at the beginning…

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Attempts of Flight, Automatic Machines, Submarines and Rocket Technology in Turkish History

by Arslan Terzioglu Published on: 2nd January 2007

In the Islamic world, great importance was placed upon the study of natural sciences and technology. This article brings out some of the important works of Turkish Muslim scholars in the fields of automatic machines,…

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A Review of Early Muslim Control Engineering

by Mohamed Mansour Published on: 22nd March 2002

During the period of Islamic-Arabic extraordinary activity in Science and Technology (9th-13th century), there are some recorded contributions to the area of Automatic Control mainly in the development of water clocks using float valve regulators,…