Treatise for Observers on Constructing the Circle of Projection
This work is a treatise on the important subject of timekeeping. It is a work of technical astronomy, in 19 folios, that begins by emphasizing the religious significance of knowledge of time. It is divided into an introduction, two chapters, and a conclusion. Comprehensive procedures for the construction of tables and their use are provided. The work was completed in 1473 (878 A.H.).
Title in Original Language
نزهة الناظر فى نظم خطوط فضل الدائر
Type of Item
10 leaves; 15.5 x 21 centimeters
- Includes illustrated tables.
Last updated: September 22, 2014