In synchrony with the heavens : instruments of mass calculation.
'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...
Clasificación: | Libro Electrónico |
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Autor principal: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Leiden :
Brill,
2005.
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Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 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.