sangdaar

Updated: May 3, 2025

In 833, A.D., the Caliph Almamon employed three brothers of the name of Ben Schaker, to measure a degree of latitude, first in the desert of Sangdaar, betweeen Racca and Palmyra, and afterwards near Cufa, for the purpose of ascertaining the circumference of the globe.

Robert Kerr - A General History and Collection of Voyages and Travels - Volume 18 : Historical Sketch of the Progress of Discovery, Navigation, and : Commerce, from the Earliest Records to the Beginning of the Nineteenth : Century, By William Stevenson