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Ptolemaic armillary sphere | Science Museum Group Collection
The Aristotelian-Ptolemaic Universe
Ptolemaic system | Definition & Facts | Britannica
P-dog's blog: boring but important: 201102
Ptolemaic system | Definition & Facts | Britannica
Instruments and practices in Ptolemaic astronomy
Brills Companion To Ancient Geography The Inhabited World in Greek and Roman Tradition PDF | PDF | Herodotus | Nile
A Descriptive Catalogue of Indian Astronomical Instruments – Abridged Version
Armillary Sphere | Before Newton
Chapter 4 From the Celestial Globe to the Astrolabe: Transferring Celestial Motion onto the Plane of the Astrolabe in: Astrolabes in Medieval Cultures
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Instruments and practices in Ptolemaic astronomy
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Hipparchus - Crystalinks
PPT - Astrophysics-I PowerPoint Presentation, free download - ID:4216601
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Chapter 4 From the Celestial Globe to the Astrolabe: Transferring Celestial Motion onto the Plane of the Astrolabe in: Astrolabes in Medieval Cultures
History and Philosophy of Western Astronomy
