Two excerpts from texts on astronomy with comments. The first (ff. 83v-84v) is from a commentary on Ptolemy's (بطلميوس, Claudius Ptolemaeus; c 90-c 168) Almagest (كتاب المجسطي), and relates to the question of the use of the term 'widest (أوسع)' in relation to figures of circles; it contains one diag...
