Ptolemy Finding the Average Mass of a Skittle (Using Cheap Kitchen Scales) On Skittles and the Precession of the Equinox.
A Syntaxia Miscellanica A Syntaxia Mathematica Ptolemy was not Arabic, but his legendary treatise is known to us as the Almagest, which is a transliteration of its Arabic title al-mjsty; literally, The Magestic.