Title:  Compendium on Using the Device Known as the Almucantar Quarter

Description

• This work, by a timekeeper at the Al-Azhar Mosque in Cairo, is an important and comprehensive textbook on timekeeping. It introduces the useful device of dividing a quarter of a circle of projection into sections known as almucantars (muqanṭarāt). The work, comprising 100 folio pages, contains 30 chapters and a conclusion. The work was composed in 1440-1 (844 A.H.) and was copied in 1757 (1170 A.H.).

Author

• Badr al-Dīn Muḥammad ibn Aḥmad Sibṭ al-Māridīnī (Born 1423)

Date Created

• 1757

Language

• Arabic

Title in Original Language

• حاوى المختصرات فى العمل بربع المقنطرات

Place

• Middle East and North Africa > Egypt

Time

• 500 AD - 1499 AD

Topic

• Science > Astronomy > Chronology

Additional Subjects

• Arabic manuscripts ; Naskh script ; Textbooks ; Timekeeping

Type of Item

• Manuscripts

Physical Description

• 50 leaves; 15 x 21.5 centimeters

Institution

• National Library and Archives of Egypt

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