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Geography
Claudius Ptolemaeus (circa 100–circa 170), known as Ptolemy, was an astronomer, mathematician, and geographer of Greek descent who lived and worked in the Egyptian city of Alexandria. In his Geography, Ptolemy gathered all the geographic knowledge possessed by the Greco-Roman world. He used a system of grid lines to plot the latitude and longitude of some 8,000 places on a map that encompassed the known world at the height of the Roman Empire. Ptolemy’s work was lost to Europe in the Middle Ages, but around 1300 Byzantine ...
Boethius’s “Commentaries on Cicero's ‘Topics’” and Other Astronomical Treatises
This miscellany contains the following works: Commentarii in Ciceronis Topica (Commentaries on Cicero's “Topics”), by Boethius; the famous Somnium Scipionis (ex libris VI De re publica) (The dream of Scipio, book six from “The Republic”), by Cicero; Commentarii in Ciceronis Somnium Scipionis (Commentaries on Cicero’s “The Dream of Scipio”), by Macrobius; Naturalis historia, ex libris II (excerpta Eboracensia) (Natural history, Book two with York excerpts), by Pliny the Elder; and Epistola de ratione horologii (Letter on time reckoning). In the Middle Ages, the commentary by Macrobius, a late-Roman ...
Contributed by Bavarian State Library
Sixth Map of Asia: Which Includes Arabia Felix, Carmania, and the Persian Gulf
This map from Ptolemy’s Geographia was published in 1578 and reprinted on many occasions between 1584 and 1704. It is much more finely engraved than maps in previous Ptolemy editions. The map mentions several places in present-day Qatar (Abucei, Leaniti, Themi, Asateni, and Aegei). Names added to this edition of the map include Mesmites Sinus, Idicar, and a second Idicar, located in present-day Kuwait. This name is similar to the island of “Ichara” found near Magorum Sinus. Contemporary research has confirmed that Kharj is the island known to the ...
Contributed by Qatar National Library