Treatise for Observers on Constructing the Circle of Projection
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Description

  • 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.).

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Title in Original Language

  • نزهة الناظر فى نظم خطوط فضل الدائر

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Physical Description

  • 10 leaves; 15.5 x 21 centimeters

Notes

  • Includes illustrated tables.

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