Figure 1: Two diagrams from the original manuscript of Al-Karajī's Inbāt al-miyāh al-khafiya, an influential work on hydraulics and water supply. Paper, 49 folios, in Arabic, nasta'liq script, black ink and over lining in red, 14 large diagrams in black and red. Rare Book and Manuscript Library, University of Pennsylvania, MS LJS 399, folios 32r, 35r.
Islamic Manuscripts in the Schoenberg Collection at Pennsylvania UniversityLEARN MORE
The Lawrence J. Schoenberg Collection at the University of...
Figure 1: A sphere circumscribed in a cylinder: the sphere has two thirds of the volume and surface area of the circumscribing cylinder.
The Volume of the Sphere in Arabic Mathematics: Historical and Analytical SurveyLEARN MORE
The following article focuses on the cubic measure of the...