Some geometric models of ancient astronomy with Geogebra by Leandro Tortosa

“…It is well known that ancient astronomers like Ptolemy, Copernicus, Galileo, invented the same complex geometric systems of circles to explain the motion of the celestial bodies. …”
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Bhāskara I on the Construction of the Armillary Sphere by Peng Lu

“…The armillary sphere is said to have been invented by the Greek astronomer Eratosthenes (276–194 BCE). Ptolemy’s Almagest (2nd century CE) contains a detailed description of the armillary sphere. …”
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Dedica onoraria per Tolemeo III e Berenice by Mirizio, Giuditta

“… Inscription in honour of the king Ptolemy III and his wife, the queen Berenice II, on behalf of the inhabitants of Falasarna. …”
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Alexander in the Tychaion: Ps.-Libanius on the Statues by Craig A. Gibson

“…&nbsp;</em></span><span style="font-family: Times; font-size: medium;">25, the "founder" holding the token of the "Soter" is not Ptolemy I but Alexander in the guise of Zeus.</span>…”
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Mecca and Macoraba* by Ian D. Morris

“…Claudius Ptolemy’s second-century Geography places the name Macoraba in the west of the Arabian Peninsula. …”
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FIVE UNPUBLISHED COINS OF ALEXANDER THE GREAT AND HIS SUCCESSORS IN THE RHODES UNIVERSITY COLLECTION by J.D. Snowball, W.D. Snowball

“…Two further tetradrachms from the empires of Alexander’s successors, Ptolemy II and Seleucus IV, are also published.…”
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Localización de la Antigua Ciudad de Urci y delimitación de la Frontera Interprovincial entre las Provincias Bética y Tarraconense en Tiempos de Tolomeo by Mateo Casado Baena

“…The paper also determines the frontier between the Baetica and Tarraconensis provinces in Ptolemy’s time.…”
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REMAINS OF TWO PTOLEMAIC COFFINS FOR OSIRIS MUMMIES-CORN FROM THE GIZA PLATEAU by Abdelrahman Abdelrahman, Maher A. EISSA

“…The two coffins are decorated with hieroglyphic texts and date back to the period of kings Ptolemy IV and VI.  These coffin styles were found in Karnak, Oxyrhynchos, and the Giza plateau.…”
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A generalisation of the nine-point circle and Euler line by Michael de Villiers

“…Sadly, many are not even aware of the significant extensions and investigations of Apollonius, Ptolemy, Pappus, and many others until about 320 AD. …”
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WHY HAVE A FRONTISPIECE? EXAMPLES FROM THE MICHALOWICZ COLLECTION AT AMERICAN UNIVERSITY by Florence D. Fasanelli, V. Frederick Rickey

“…When Henry Savile, who was noted for his mathematical breadth and knowledge of ancient texts, initiated a series of lectures at Oxford on the Almagest of Ptolemy on October 10, 1570, he began with these words of the Roman architect Vitruvius…”
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Golden age of learning by Abd Razak, Dzulkifli

“…During the Abbasid Dynasty (7501258), works of Aristotle, Euclid, Galen, Hippocrates, Dioscorides, Ptolemy; Plato, Socrates, Aristotle and other famous men were translated in Baghdad.…”
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Strait of Constantinople on views Arabic medieval Scientists (before al-Idrisi) by Tatyana Kalinina

“…The article is devoted to representations of Arab geographers of the 9th –11th centuries on waterways linking Byzantium and Asia Minor with the north of Europe. “Geography” Ptolemy was important for the Arabs. Al-Khwarizmi’s book changed the coordinates of the Ptolemy and transformed the ancient beliefs, showing the connection Meotis and North Outer Sea. …”
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Les Romains en Égypte, de Ptolémée XII à Vespasien by Bernard Legras

“…This paper intends to present a typology of Romans citizens living in Egypt from the reign of Ptolemy XII (80-51 B.C.) to the reign of the emperor Vespasian (69-79 A.D.). …”
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Dwie rocznice w Kaliszu (1960-1966): Osiemnaście Wieków Kalisza i Tysiąclecie Polski by Tadeusz Baranowski

“…The excavations at the archaeological site of the Roman period in Piwonice near Kalisz was related to the role of archaeological sources in the identification of Kalisz as Ptolemy’s Kalisia. The greatest discoveries of the fifties and sixties of the 20th century in Kalisz concerned the research of Millennium project in the area of Zawodzie-Stronghold.…”
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Capo Mannu Project 2011 - Survey report by Giandaniele Castangia

“…From an archaeological point of view, this area is one of particular interest for it is the one in which the geographer Ptolemy located an important harbour known as Korakodes portus, which existed during the Roman phase, and was related to the ancient city of Cornus. …”
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La prospettiva di Federico Commandino e un quadro di Paolo Veronese [The perspective of Federico Commandino and a painting by Paolo Veronese] by Stefano Marconi

“…Like Ptolemy in his Planisphaerium had studied the perspective of the circles of a sphere, thus Commandino in the Commentarius had sought the representation, on a given surface, of an object in whatever way it appears to the eye. …”
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Battling without Beards: Synesius of Cyrene’s Calvitii encomium, Arrian’s Anabasis Alexandri and the Alexander discourse of the fourth century AD by Christian Djurslev

“…The latter source posits that the story comes from the History of Alexander by Ptolemy, son of Lagus, but this claim cannot be true when Synesius’ version is compared to other extant uses of the chreia. …”
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Digter en gehoor in Alexandrië by W. J. Henderson

“…The poetry was written for a highly selected audience, centred around the library’ and court of the Ptolemy, and this determined the nature of both the poetry and its 'publication' or communication to the target audience. …”
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About the legend of Alexandria: Epiphanius, De mensuris et ponderibus, cap. 9 by Luca Tiberi

“…Considering the text resulting from the manuscript tradition and from the corrections made by the editors of Epiphanius, we gain two conclusions: 1) the text of the older codices Vaticani is not correct for the sense; 2) the better text of a group of later codices, that is satisfying for the sense and for the grammar, was misunderstood by some editors, producing a wrong interpretation of the whole passage: the king Ptolemy Philadelphus knew from Demetrius Phalereus that existed a people, ancestor of the Romans, called Latins by the Greeks of the early III century b.C. …”
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Cyrano de Bergerac y el relato de viajes by Claudia Ruiz García

“…Cyrano’s tale is an excuse to question the astronomical theory of Ptolemy, in favor of thesis such as Copernicus’s, Galileo’s or Kepler’s. …”
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