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map

(Encyclopedia) map, conventionalized representation of spatial phenomena on a plane surface. Unlike photographs, maps are selective and may be prepared to show various quantitative and qualitative…

Amman

(Encyclopedia) AmmanAmmanämänˈ [key], city (1997 est. pop. 1,415,000), capital of Jordan, N central Jordan, on the Jabbok (Wadi Zerka) River. Jordan's largest city and industrial and commercial heart…

magnitude

(Encyclopedia) magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. a.d.), all visible with the unaided eye, were ranked on…

Saxons

(Encyclopedia) Saxons, Germanic people, first mentioned in the 2d cent. by Ptolemy as inhabiting the southern part of the Cimbric Peninsula (S Jutland). Holding the area at the mouth of the Elbe…

Brewer's: Alexandrian Library

Founded by Ptolemy Soter, in Alexandria, in Egypt. The tale is that it was burnt and partly consumed in 391; but when the city fell into the hands of the calif Omar, in 642, the Arabs…

Brewer's: Almagest

The Syntaxis-megiste of Ptolemy, translated by the Arabians in 800, by order of the calif Al Maimon, and then called Al-maghesti, i.e., “the megiste.” It contains numerous observations and…

Brewer's: Preserver

[Soter]. Ptolemy I. of Egypt was called Soter by the Rhodians, because he compelled Demetrios to raise the siege of Rhodes. (B.C. 367, 323-285.) Source: Dictionary of Phrase and Fable, E…

Brewer's: Richborough, Richeboro'

or Ratesburgh (a Roman fort in the time of Claudius), called by Alfred of Beverley, Richberge; by the Saxons (according to Bede) Reptacester, and by others Ruptimuth; by Orosius, the port…

Brewer's: Parchment

So called from Pergamon in Lesser Asia, where it was used for purposes of writing when Ptolemy prohibited the exportation of paper from Egypt. Source: Dictionary of Phrase and Fable, E.…

Brewer's: Royal Road to Learning

Euclid, having opened a school of mathematics at Alexandria, was asked by King Ptolemy whether he could not explain his art to him in a more compendious manner. “Sir,” said the…