Depth
At a glance
- Era
- The Mongol and Post-Mongol Era
- Region
- Levant & Iraq
- Review
- Draft Completeness 2/5 · Help complete it
Overview
An instrument made by Ibn al-Shatir, the timekeeper (muwaqqit), in Damascus. He found that astronomical instruments do not serve all astronomical tasks at every latitude, and that error creeps into most of the work they are used for. 2
Its purpose
He made the "Complete Quadrant" (al-rub' al-tamm) so that all the tasks could be carried out in every climate, with ease of aim and clarity of proof, according to the Kashf al-Zunun. 2
Sources
- Kashf al-Zunun an Asami al-Kutub wa'l-Funun — Hajji Khalifa (Furqan ed.) , p. 570-571
- Kashf al-Zunun an Asami al-Kutub wa'l-Funun — Hajji Khalifa (Furqan ed.) , p.570-571
Cite this page
islam.museum contributors. “Complete Quadrant of Ibn al-Shatir”. islam.museum, https://islam.museum/en/object/rub-al-tamm-ibn-al-shatir/. CC BY-SA 4.0. Last updated 2026-10-22.