Armillary Sphere | Before Newton
Hipparchus - Wikiwand
From the Celestial Globe to the Astrolabe: Transferring Celestial Motion onto the Plane of the Astrolabe in: Astrolabes in Medieval Cultures
Instruments and practices in Ptolemaic astronomy
Instruments and practices in Ptolemaic astronomy
Microcosm of the Ancient World
Ptolemy's Instruments
From the Celestial Globe to the Astrolabe: Transferring Celestial Motion onto the Plane of the Astrolabe in: Astrolabes in Medieval Cultures
Ptolemy - Philosophy of Cosmology
vik dhillon: phy105 - celestial mechanics - ptolemy, copernicus and galileo
The Aristotelian-Ptolemaic Universe
Hipparchus - Wikipedia
Instrumentation – Ptolemy's Solar Angle Dial – Following Kepler
Astronomy | Orion Telescopes & Binoculars
Ptolemaic system | Definition & Facts | Britannica
From the Celestial Globe to the Astrolabe: Transferring Celestial Motion onto the Plane of the Astrolabe in: Astrolabes in Medieval Cultures
The instrument that revolutionized astronomy before the telescope | Nature Astronomy
From the Celestial Globe to the Astrolabe: Transferring Celestial Motion onto the Plane of the Astrolabe
From the Celestial Globe to the Astrolabe: Transferring Celestial Motion onto the Plane of the Astrolabe in: Astrolabes in Medieval Cultures
Hipparchus – Greatest Greeks
Hipparchus - Crystalinks
Ptolemaic system | Definition & Facts | Britannica
Astrolabe of Ptolemy: An Ancient Greek 'GPS' that Measured the Movement of the Stars
A Descriptive Catalogue of Indian Astronomical Instruments – Abridged Version
Armillary sphere - Wikipedia
