ISMI Islamic Scientific Manuscripts Initiative

Full reference OpenMind biblio ref
Bruin, Frans. 1970. Surveying and Surveying Instruments Being Chapters 26, 27, 28, 29 and 30 of the Book on Finding Hidden Water by Abu Bakr Muhammed Al-Karaji (1029 A.D.). Beirut.
 { Frans Bruin, 1970 #10830 }