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Topic: Georg Purbach


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  Georg Simmel   (Site not responding. Last check: 2007-10-09)
Georg Simmel (March 1, 1858 - September 28, 1918) was one of the first generation of German sociologists.
Georg Simmel was born on March 1, 1858, in the very heart of Berlin, the corner of Leipzigerstrasse and Friedrichstrasse.
Georg Simmel and Avant-Garde Sociology Georg Simmel and Avant-Garde Sociology by...
www.serebella.com /encyclopedia/article-Georg_Simmel.html   (993 words)

  
 Definition of Georg Purbach
Georg Purbach (May 30, 1423 - April 8, 1461) was a German astronomer and mathematician.
He is credited with the invention of several scientific instruments, including the regula, the geometrical square, and the "Jacob's Staff."
Purbach was the author of a seminal work in astronomy, Theoricae novae planetarum.
www.wordiq.com /definition/Georg_Purbach   (128 words)

  
 Georg Purbach: biography and encyclopedia article   (Site not responding. Last check: 2007-10-09)
Georg Purbach (May 30, EHandler: no quick summary.
Purbach was the author of a seminal work in astronomy astronomy quick summary:
Friedrich Georg Wilhelm von Struve Friedrich Georg Wilhelm von Struve quick summary:
www.absoluteastronomy.com /encyclopedia/g/ge/georg_purbach.htm   (634 words)

  
 Georg Purbach   (Site not responding. Last check: 2007-10-09)
Georg Purbach (1423 - 1461) was a German astronomer and mathematician.
Purbach was the author of a seminal in astronomy Theoricae novae planetarum.
But to be honest, when we discovered the more recently released CD, The Classical Child AT the Opera, he went wild because all the pieces hav...
www.freeglossary.com /Georg_Purbach   (470 words)

  
 Imago Mundi - Georg von Purbach.
Purbach, Georg von (1423-1461), né en 1423 à; Purbach (Peuerbach, près de Lintz), sur la frontière bavaroise de l'Autriche, succéda à son maître, Jean de Gmünden, dans la chaire d'astronomie à l'université de Vienne.
Purbach s'était particulièrement attaché à l'observation pour vérifier les hypothèses des Anciens : c'était le seul moyen de faire avancer la science.
La vie de Purbach et celle de son disciple Régiomontanus, ont été écrites par Gassendi.
www.cosmovisions.com /Purbach.htm   (317 words)

  
 Astronomi celebri - Wikipedia
George Howard Darwin (Gran Bretagna, 1845 - 1912)
George Parker (Gran Bretagna, circa 1697 - 1764)
Friedrich Georg Wilhelm von Struve (Germania, Russia, 1793 - 1864)
it.wikipedia.org /wiki/Astronomi_celebri   (734 words)

  
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George Augustus Constantine Phipps, 2nd Marquess of Normanby
George Islay MacNeill Robertson, Baron Robertson of Port Ellen
George Nathaniel Curzon, 1st Marquess Curzon of Kedleston
pedia.newsfilter.co.uk /wikipedia/g/ge/index.html   (141 words)

  
 NationMaster.com - Encyclopedia: 1423   (Site not responding. Last check: 2007-10-09)
May 30 - Georg Purbach, German astronomer and mathematician (died 1461)
Jump to: navigation, search May 30 is the 150th day of the year in the Gregorian calendar (151st in leap years).
Georg Purbach (May 30, 1423 –; April 8, 1461) was an Austrian astronomer and mathematician.
www.nationmaster.com /encyclopedia/1423   (1418 words)

  
 List of astronomers - Wikipedia, the free encyclopedia
George Parker, 2nd Earl of Macclesfield (UK, c.
Bengt Georg Daniel Strömgren, (Denmark, 1908 – 1987)
Friedrich Georg Wilhelm (von) Struve (Germany, Russia, 1793 – 1864)
en.wikipedia.org /wiki/List_of_astronomers   (614 words)

  
 TRIGONOMETRY - LoveToKnow Article on TRIGONOMETRY   (Site not responding. Last check: 2007-10-09)
Georg Purbach (1423s 461), professor of mathematics at Vienna, wrote a work entitled Tractatus super pro positiones Ptolemaei de sinubus et chordis (Nuremberg, 1541).
Johannes Muller (1436-1476), known as Regiomontanus, was a pupil of Purbach and taught astronomy at Padua; he wrote an exposition of the Almagest, and a more important work, De triangulis planis et sphericis cum tabulis sinuum, which was published in 1533, a later edition appearing in 1561.
His method of calculation depends upon the formulae which give sin fla and cos na in terms of the sines and cosines of (nI)a and (n2)a; thus these formulae may be regarded as due to him.
5.1911encyclopedia.org /T/TR/TRIGONOMETRY.htm   (13127 words)

  
 History of Physics   (Site not responding. Last check: 2007-10-09)
This tradition was carefully preserved in Vienna, being magnificently developed there throughout the fifteenth century, and paving the way for Georg Purbach (1423-61) and his disciple Johann Müller of Königsberg, surnamed Regiomontanus (1436-76).
In 1824 Poisson established on the subject of hollow conductors limited either interiorly or exteriorly by a spherical cavity, theorems which, in 1828, were extended by George Green (1793-1841) to all kinds of hollow conductors and which Faraday was subsequently to confirm through experimentation.
Between 1813 and 1824 Poisson took up the study of magnetic forces and magnetization by impulsion and, in spite of a few inaccuracies which the future was to correct, the formulæ which he established remain at the basis of all the research of which magnetism has meanwhile been the object.
www.esoterism.ro /english/history-physics.php   (15758 words)

  
 TRIGONOMETRY (from Gr.... - Online Information article about TRIGONOMETRY (from Gr....
analysis by Purbach, in which, like the Indians, he made the sine and the arc for the value 3° 45' coincide.
PROFESSOR (the Latin noun formed from the verb profiteri, to declare publicly, to acknowledge, profess)
Padua; he wrote an exposition of the Almagest, and a more important work, De triangulis planis et sphericis cum tabulis sinuum, which was published in 1533, a later edition appearing in 1561.
encyclopedia.jrank.org /TOO_TUM/TRIGONOMETRY_from_Gr_rpiywvov_a.html   (4712 words)

  
 CalendarHome.com - 1461 - Calendar Encyclopedia
March 29 - Henry Percy, 3rd Earl of Northumberland, English politician (born 1421)
April 8 - Georg Purbach, German astronomer and mathematician (born 1423)
July 22 - King Charles VII of France (born 1403)
encyclopedia.calendarhome.com /1461.htm   (338 words)

  
 Almanach -- Ein Almanach ist eine periodisch, meist einmal im Jahr erscheine...   (Site not responding. Last check: 2007-10-09)
Im Mittelalter verbreiteten sie sich von Orient aus nach Europa.
Der erste europäische Almanach wurde von Georg Purbach um 1460 in Wien unter dem Titel Pro annis pluribus erstellt.
Der ungarische König Matthias Corvinus ließ 1447 Johann Regiomontanus einen neuen Almanach berechnen, der in deutscher und lateinischer Sprache gedruckt wurde.
jahrbuch.exsudo.de   (519 words)

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