Maximum Benefit from the Knowledge of Circles of Projection on the 30 Degree Northern Latitude
This work, a treatise on practical astronomy, deals with such issues as timekeeping and determining the proper direction of prayer. The work begins with a brief introduction, but the bulk of the manuscript contains tables used to determine time. The introductory section contains illustrative examples on how to use the tables.
Title in Original Language
غاية الأنتفاع في معرفة الدائر من الفلك من قبل الإرتفاع
Type of Item
37 leaves; 18 x 26.5 centimeters
Last updated: September 29, 2014