Jun 12, 2013 - The Remarkable Sundial of Ibn al-Shatir - Roger T. Bailey

Website archive 1995-2013

Victoria Centre is part of the national Royal Astronomical Society of Canada, which is dedicated to bringing information about astronomy to the general public.

Advanced Search


Image Gallery
Online Articles
Observing Highlights




Jun 12, 2013 - Technological Change in 1371: The Remarkable Sundial of Ibn al-Shatir - Roger T. Bailey

Ala Al-Din Abu'l-Hasan Ali Ibn Ibrahim Ibn al-Shatir (1304 � 1375) was an Arab Muslim astronomer, mathematician, engineer and inventor who worked as muwaqqit (religious timekeeper) at the Umayyad Mosque in Damascus, Syria. Ibn al-Shatir conducted extensive observations which led to some of his theoretical contributions, designed and constructed new instruments, and made advanced contributions to Islamic astronomy in the field of Planetary theory

Presentation (16Mb pdf)

Al Shatir Sundial video

Walking Shadow Designs - Roger's work and bio


� 2014 Royal Astronomical Society of Canada, Victoria Centre
All text and images are Copyright their respective owners
Victoria Centre adheres to our National Privacy Policy
Website: archive.victoria.rasc.ca - Contact us

RASC Victoria Centre does not endorse nor is responsible for the content of external websites. External links will open in a new window.
Last updated: January 29, 2014

The Royal Astronomical Society of Canada is dedicated to the promotion of astronomy and its related sciences; we espouse the scientific method, and support dissemination of discoveries and theories based on that well-tested method.

Web hosting & email services provided by Matthew Watson