| Description |
1 online resource (volumes) |
| Contents |
Preface 1; Statement on previous publication of parts of this volume; Bibliography and bibliographical abbreviations; Part X. Astronomical instrumentation in the medieval Islamic world; 1 INTRODUCTORY REMARKS; 2 OBSERVATIONAL INSTRUMENTS; 3 CELESTIAL GLOBES AND ARMILLARY SPHERES; 4 STANDARD PLANISPHERIC ASTROLABES; 5 NON-STANDARD ASTROLABES; 6 QUADRANTS; 7 SUNDIALS; 8 EQUATORIA; 9 MISCELLANEOUS INSTRUMENTS; 10 SCHOOLS OF INSTRUMENT-MAKERS; 11 CONCLUDING REMARKS; Part XI. An approximate formula for timekeeping (750-1900); 1 Introduction; 2 The approximate trigonometric formula for timekeeping |
| Summary |
'This is the first investigation of one of the main interests of astronomy in Islamic civilization, namely, timekeeping by the sun and stars and the regulation of the astronomically-defined times of Muslim prayer. The study is based on over 500 medieval astronomical manuscripts first identified by the author, now preserved in libraries all over the world and originally from the entire Islamic world from the Maghrib to Central Asia and the Yemen. The materials presented provide new insights into the early development of the prayer ritual in Islam. They also call into question the popular notio |
| Notes |
V. 2 |
| Subject |
Astronomy -- Islamic countries -- History
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Astronomy, Medieval.
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Islam and science.
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Time (Islamic law)
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Astronomy.
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Astronomy, Medieval.
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Islam and science.
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Time (Islamic law)
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Islamic countries.
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| Genre/Form |
History.
|
| Form |
Electronic book
|
| ISBN |
1433703815 |
|
9781433703812 |
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