FEATURED ARTICLES

The International Year of Light Sheds Light on the Dark Ages
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...
LEARN MORE
The Astronomical Clock of Taqi Al-Din: Virtual Reconstruction
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...
LEARN MORE
Abu al-Wafa al-Buzjanî
Muḥammad Abūʾl-Wafāʾ al-Būzjānī (10 June 940–997 or 998) was a distinguished Muslim astronomer and mathematician, who made important contributions to the development of trigonometry. He worked in a...
LEARN MORE
World Environment Day
 World Environment Day 5th June
LEARN MORE
1001 Inventions To Partner With China’s Biggest Science Festival
China Science Festival to host “1001 Inventions and the World of Ibn Al-Haytham”
LEARN MORE
Ode to Ahmad Baba Al-Massufi
Abu al-Abbas Ahmad ibn Ahmad al-Takruri Al-Massufi al-Timbukti, otherwise commonly known as Ahmad Baba for short, was a well-known teacher, professor, philosopher, Arabic grammarian and an author of...
LEARN MORE
Cairo University Announces Partnership with 1001 Inventions
Cairo University joins 1001 Inventions partners in Egypt 
LEARN MORE
World Fairtrade Day
Happy World Fair Trade Day!
LEARN MORE
Professor Devin Stewart: The Fihrist of Ibn al-Nadīm and the Transmission of Knowledge in the Islamic World
On Wednesday 22nd April, a public lecture exploring “The Fihrist of Ibn al-Nadeem and the Transmission of Knowledge in the Islamic World” was presented by Professor Devin Stewart at the Al-Furqan...
LEARN MORE
Ibn Yunus and The Pendulum: A History of Errors
In this article, Professor David A. King explores the authenticity of the statement that tenth-century Egyptian astronomer Ibn Yūnus was the first person to use a pendulum to measure time. After...
LEARN MORE
1001 Inventions Bahrain Exhibition
Blockbuster exhibition will be anchor attraction at ‘Zidni Ilman’
LEARN MORE
On 23 April the World Celebrates the Book
World Book Day or World Book and Copyright Day is a yearly event on 23 April, organized by UNESCO to promote reading, publishing and copyright. On this occasion, we are pleased to invite visitors and...
LEARN MORE

RECENT ARTICLES

Pages

Learning from the Past to Design the Future
The seat of the World Bank in Paris hosted on May 22-23, 2008 an important meeting: the fourth edition of The...
LEARN MORE

Pages

Pages

Pages

PICTURE GALLERIES

Pages

Figure 2: The Escapement Mechanism generating incremental movement of the crown wheel.
Figure 3: Novel gravity system introduced as a source to power the clock.
Figure 4: Schematic side view of the main mechanisms in the clock.
Figure 5: Details of the escapement and top view of the pallets.
Figure 6: Schematic diagram of the striking train system.
Figure 7: Count wheel.
Figure 8: Examples of clock housing framework.
Figure 9: Side view of striking train
Figure 10: Examples of levers with ends designed for hooking or engaging the count wheel.
Figure 11: Three dimensional view of the Striking Train.
Figure 12: Schematic diagram of the alarm system.
Figure 13: Front and side view of the dial wheel.
Figure 14: Bird-Dragon mechanism.
Figure 15: Dragon and verge connection.
Figure 16: Configuration of display wheel and view from the front facade.
Figure 17: The great wheel.
Figure 18: Overal mechanism of the clock.
Figure 19: Schematic diagram of the internal workings of the clock.
Figure 20
Figure 21
Figure 22: Close up of the escapement.
Figure 23: Pallets with 120o between them.
Title page of the Colliget of Ibn Rushd and the Thezier AbynZoar, from the manuscript BH MED 23 (Biblioteca Histórica de la Universidad Complutense de Madrid).
Title page of the Arabic edition of Al-Taysir book used in this study.
Title page of the manuscript BH MED 323: The Colliget of Ibn Rushd and the Thezier AbynZoar, namely the Taysir of Ibn Zuhr, preserved in the Biblioteca Histórica de la Universidad Complutense de Madrid. This manuscript is edited online in Google Books: (Source).
Pages from the mid-16th century Latin edition of Ibn Rushd and Ibn Zuhr medical treatises: Averroe - Avenzoar, Colliget Averrois Cordubensis libri VII… Eiusdem Averrois commentaria in Avicenna…Eiusdem Averrois tractatus de Theriaca, nunquam antea impressus… Marci Antonii Zimarae Solutiones Contradictionum in dictis Averrois super Colliget. Abimeron Abynzoahar, omnia nunc summo studio diligentiaque emendata. Venetijs, apud Iuntas, 1553. (Source 1 – Source 2).
Pages from the mid-16th century Latin edition of Ibn Rushd and Ibn Zuhr medical treatises: Averroe - Avenzoar, Colliget Averrois Cordubensis libri VII… Eiusdem Averrois commentaria in Avicenna…Eiusdem Averrois tractatus de Theriaca, nunquam antea impressus… Marci Antonii Zimarae Solutiones Contradictionum in dictis Averrois super Colliget. Abimeron Abynzoahar, omnia nunc summo studio diligentiaque emendata. Venetijs, apud Iuntas, 1553. (Source 1 – Source 2).

Pages