81. No. 885: Mercator's Maps them. gerardus mercator was born Gerhard Kremer in the Netherlandsin 1512. He Latinized his name when he entered the University. http://www.uh.edu/engines/epi885.htm

No. 885: MERCATOR'S MAPS by John H. Lienhard Click here for audio of Episode 885. Today, let's meet the greatest mapmaker. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them. G erardus Mercator was born Gerhard Kremer in the Netherlands in 1512. He Latinized his name when he entered the University. A new visual world was opening like a flower around Mercator. Ships came back from the Americas with stories and drawings of a wondrous new land. All that information fed the Renaissance belief that you learn by looking closely and critically at the external world. In a hundred years that new visual sense would give birth to modern experimental science. But now Mercator studied theology along with mathematics, astronomy, and geography. Then he began creating his own pictures his own maps of the world around him. When he was 25 he published a map of Palestine. Then he surveyed and mapped Flanders. In 1541 he made a globe of the world for the emperor. He was also hip deep in reformation theology. When authorities rounded up suspected Lutherans, they took in Mercator. The ones who recanted were to be mercifully beheaded or maybe buried alive. The rest were to be burned at the stake. Mercator's parish priest interceded to save his life. After that Mercator shut up about religion and took work as a cosmographer in Germany.

82. Science Timeline Menzel, Donald Howard, 1926, 1927, 1929, 1930. mercator, gerardus, 1569.Mereschovsky, Konstantin S., 1910. MerleauPonty, Maurice, 1945. http://www.sciencetimeline.net/siteindex_m.htm

use checkboxes to select items you wish to download Select Index Letter: a b c d ... w-x-y-z MacArthur, Robert 1960s, 1975 MacCullum, F. O., 1937 MacDiarmid, Alan G., 1977 maces, 6250 bce Mach, Ernst, 1737, early 1870s, 1873, 1883, 1894, 1908 MacLeod, Colin, 1944 Magnus, Heinrich Gustav, 1837 Maiani, Luciano, 1969 Maimonides, Moses, 1190 Malebranche, Nicolas, 1674 Malpighi, Marcello, 1661 Malthus, Thomas Robert, 1798 Mandel, Mort, 1970 Mandelbrot, Benoit B., 1977 Marconi, Guglielmo, 1895, 1901 Mariner, R., 1963 Markov, Andrei Andreyevich, 1906 Marmur, Julius, 1960 Marr, David, 1979 Marsden, E., 1909 Marshak, Robert, 1957 Martin, Archer John Porter, 1944 Marx, Karl, 1810, 1867 Maskelyne, Nevil, 1766

83. Rupelmonde, Het Zonnewijzer Dorp Aan deze samenvloeiing, waar het afvalwater van Vlaanderen met dat van Brabant enLimburg wordt vermengd, zag op een dag in maart gerardus mercator in 1512 het http://users.pandora.be/veerle.heyman/zonnewijzers/

Rupelmonde,le village des cadrans Rupelmonde,the sundial village. Deze inhoud van deze pagina's werd samengesteld door Jozef Pauwels Jozef Pauwels The contents of these pages has been composed by: Jozef Pauwels Nederlands English Rupelmonde is een Oost-Vlaams plaatsje aan de linker Scheldeoever, gelegen tegenover de monding van de Rupel. Aan deze samenvloeiing, waar het afvalwater van Vlaanderen met dat van Brabant en Limburg wordt vermengd, zag op een dag in maart Gerardus Mercator in 1512 het levenslicht. Ooit was Rupelmonde een Romeinse oeverpost, later werd het een belangrijke middeleeuwse stad en nu, na de fusie, verging het tot deelgemeente van Kruibeke. In het dorp heerst er een zee van rust, geen verkeersassen doorkruisen er het centrum en in deze oase van stilte zou men de tijd wel kunnen vergeten ware het niet dat sinds 1994 ter herdenking van de vierhonderdste verjaardag van het overlijden van Mercator de tijd in Rupelmonde nooit meer zal blijven stille staan: de stad werd bezaaid met zonnewijzers waarop onmeedogend de steeds voortschrijdende tijd wordt aangeduid. Enkele hiervan zullen worden voorgesteld.

84. Mercatorfonds Translate this page gerardus mercator RUPELMUNDANUS - M. Watelet 448 pages - 34 x 26 cm- 450 illustrations dont 350 en couleurs - Relié toile fers http://www.fondsmercator.be/fr/boeken/zoek/getbook.asp?ID=29

85. Mercator_Gerardus gerardus mercator. Born 5 March Cleve (now Germany). Show birthplacelocation. gerardus mercator's original name was Gerard de Cremere. http://www-cassini.univ-mrs.fr/divers/Mercator_Gerardus.html

Gerardus Mercator Born: 5 March 1512 in Rupelmonde, Flanders (now Belgium) Died: 2 Dec 1594 in Duisburg, Duchy of Cleve (now Germany) Show birthplace location Gerardus Mercator 's original name was Gerard de Cremere. He was educated at 'sHertogenbosch in the Netherlands, then, in 1530, he entered the University of Louvain where he studied the humanities and philosophy. He graduated from Louvain with an M.A. in 1532. After graduating, Mercator began to have worries on how to reconcile the account of the origin of the universe given in the Bible with that given by Aristotle . He travelled to a number of places while going through this personal crisis including Antwerp and Mechelen. His travels did little for his religious worries but gave him a deep interest in geography. Mercator returned to Louvain where he now studied mathematics under Gemma Frisius In 1535-1536 Mercator working in Louvain with Myrica and with Frisius constructed a terrestrial globe. In 1537 they constructed a globe of the stars. Mercator produced a map of Palestine (1537), a map of the world with a new projection (1538) and a map of Flanders (1540). Mercator was charged with heresy in 1544. This was partly due to his Protestant beliefs, partly due to the fact that he travelled so widely to acquire data for his maps that suspicions were aroused. He spent seven months in prison. He was released, mainly due to strong support from the University of Louvain, and in 1552 he moved to Duisburg where he opened a cartographic workshop.

86. 5 De Março Translate this page PROJETO VIP - 5 de março, E-mail edufra.trp@terra.com.br. Anterior Página Principal Seguinte NASCIMENTOS. gerardus mercator. http://planeta.terra.com.br/educacao/projetovip/0305.htm

PROJETO VIP - 5 de março E-mail: edufra.trp@terra.com.br Anterior Página Principal Seguinte NASCIMENTOS Gerardus Mercator GERARDUS MERCATOR GERARD DE CREMER Nascimento: 5 de março de 1512, Rupelmonde, Flandres (atual Bélgica) Falecimento: 2 de dezembro de 1594 (82 anos), Duisburg, Alemanha Matemático e cartógrafo, autor da primeira carta marítima com um sistema de paralelas e meridianos Rosa de Luxemburgo ROSA DE LUXEMBURGO Nascimento: 5 de março de 1871, Zamosc, Polônia (então do Império russo) Família: Filha de judeus de classe média; casa-se com Gustav Lübeck Falecimento: 15 de janeiro de 1919 (48 anos), fuzilada em Berlim, Alemanha, pela repressão que se segue à Insurreição Espartaquista Política e escritora socialista; líder de movimentos operários, funda o Partido Social Democrata polonês (futuro Partido Comunista da Polônia); naturaliza-se alemã (1898); é presa em Varsóvia; presa novamente (1915 a 1916) por sua posição contrária à guerra Villa-Lobos VILLA- LOBOS HEITOR VILLA-LOBOS Nascimento: 5 de março de 1887, numa casa da Rua Ipiranga, Laranjeiras, Rio de Janeiro, Brasil

87. Frequently Asked Questions About The Mercator Web Crawler To learn more about web crawlers, refer to Martijn Koster's web robots pages.Why did you choose the name mercator ? gerardus mercator, 15121594. http://research.compaq.com/SRC/mercator/faq.html

Frequently Asked Questions about the Mercator Web Crawler What is a "web crawler"? A web crawler is a program that systematically fetches web pages. Web crawlers are also referred to as robots, spiders, worms, or wanderers. A web crawler works by fetching a seed page, then fetching all the pages this seed page points to, then fetching all the pages those pages point to, and so on. To learn more about web crawlers, refer to Martijn Koster's web robots pages Why did you choose the name "Mercator"? Gerardus Mercator , 1512-1594. Flemish cartographer whose most important innovation was a map, later known as the Mercator projection, on which parallels and meridians are rendered as straight lines spaced so as to produce at any point an accurate ratio of latitude to longitude. Mercator also introduced the term atlas for a collection of maps. Our crawler, like the famous cartographer, aims at producing ``maps'' of the known (virtual) world that accurately depict its dimensions. How can I be sure that you will not overload my web server? Mercator is designed to fetch only one document at a time from any given host. In other words, it will not attempt to fetch multiple documents in parallel. So, Mercator places about the same load on your system that a (speed-reading) human web surfer would.

88. Offshore Technology - Trailing Suction Hopper Dredger Gerardus Expanded image Jan De Nul Group of Companies - GerardusMercator trailing suction hopper dredger. http://www.offshore-technology.com/contractors/dredging/jandenul/jandenul2.html

89. FGB V8n1 MERCATOR Une Initiative Canadienne Translate this page mercator une initiative canadienne. Nous croyons que ces efforts seront toutautant révolutionnaires que le furent ceux de mercator à son époque. http://cgdi.gc.ca/iacg/bulletin/fgbv8n1/v8n1p1f.html

MERCATOR: une initiative canadienne C'est à Duisburg, dans ce qui est aujourd'hui l'Allemagne, que Mercator mit au point en 1569 la projection cartographique qui le rendit célèbre. Il préférait la carte aux "lignes droites" parce qu'elle permettait aux navigateurs de garder un même cap sur de longues distances plutôt que de modifier constamment la direction de leur navire. On peut établir un parallèle entre cet accomplissement et des travaux menés de nos jours dans les domaines du stockage, de l'accès et de l'affichage des données géospatiales. Nous croyons que ces efforts seront tout autant révolutionnaires que le furent ceux de Mercator à son époque. Mercator rêvait de publier un recueil de cartes qui fournirait une histoire du monde depuis la création. La première édition de ce recueil, appelée l'"Atlas" parut en 1569. Cet important effort de pionnier nous hante encore aujourd'hui. Dans le contexte du 20e siècle, le rêve de Mercator pourrait être transposé en un "Atlas" en ligne, une sorte d'entrepôt de données géospatiales relié à des portes numériques. Cet "Atlas" électronique offrira à l'usager de demain via l'inforoute une souplesse sans borne en matière d'exploitation de données géospatiales.

90. Einladung Zur Mercatorfeier Translate this page mercator-Gymnasiums. aus Anlaß des 450. Geburtsjahres von, GERARDUSmercator, 3. Begrüßung, Oberstudiendirektor Dr. Pape Anm.1. für die, http://www.uni-duisburg.de/SCHULEN/MGD/1962/einlad.htm

Wir laden ein zu einer 1.Epitaphium FEIERSTUNDE 2. R.Wagner, Wach auf Chor und Orchester des Mercator-Gymnasiums 450. Geburtsjahres von GERARDUS MERCATOR Oberstudiendirektor Dr. Pape Anm.1 4. T. Albinoni Allegro Symphonie B-Dur Orchester des Mercator-Gymnasiums der Stadt Duisburg Anm.2 G.Johann - G. Labailly Ehemalige gestaltet vom Mercator-Gymnasium 6. Festansprachen: Montag, den 16. Juli 1962 11 Uhr in der Aula der Schule StR Kirmse, Landfermann-Gymnasium Anm.3

91. Mercator's Projection mercator's Projection. The mercator projection was invented by Gerardusmercator, a Flemish mapmaker. This is his famous world map of 1569. http://www.math.ubc.ca/~israel/m103/mercator/mercator.html

Mercator's Projection The Mercator projection was invented by Gerardus Mercator, a Flemish mapmaker. This is his famous world map of 1569. A modern Mercator projection map The property of the Mercator projection map that made it useful to navigators is that it preserves angles. Lines of constant compass heading (called rhumb lines by sailors) are straight lines on this map. Say you're in Vancouver and want to get to Hawaii. You don't have GPS, just a compass. Just draw a straight line on the map between where you are and where you want to go, and measure the angle (almost exactly 45 degrees in this case). So (after a small detour around Vancouver Island) you head southwest, and off you go. If you keep heading in this direction, you ought to get there. Earlier maps were drawn on a simple grid: each degree of latitude or longitude is the same size. This method wouldn't work there: rhumb lines would be curves. Mercator knew that to give his map this desirable property, he had to make the lines of latitude farther apart as you go away from the equator. But he didn't say exactly how he did it. He almost certainly didn't have a formula, but might have done it using approximate measurements on a globe. He just said It is for these reasons that we have progressively increased the degrees of latitude towards each pole in proportion to the lengthening of the parallels with reference to the equator.

92. Mercator mercator , et qui est-il, ce Gérard Kremer ? -1594. http://www.bryc.be/mercator.htm

Mercator La classe la plus prestigieuse de l'école de navigation du Bruxelles Royal Yacht Club fut baptisée classe Kremer , elle n'est sanctionnée par aucun brevet, seule la curiosité "marine" anime ses adeptes inconditionnels alias Gérard De Cremer Gehrard Kremer Gerardus Mercator Rupelmundanus Quel est le marin qui ne connait la "projection de Mercator", et qui est-il, ce Gérard Kremer ? Il naît en 1512 à Rupelmonde et s'inscrit en 1530 à l'université de Louvain sous le nom de Gerardus Mercator Rupelmondanus où il décroche une licence en philosophie. En 1534, il suit avec passion une conférence de Gemma Frisius sur l'astronomie, mais ne possédant pas les bases nécessaire à la compréhension du sujet, se fait expliquer celles-ci par Frisius et termine sa formation en autodidacte. En 1536 il produit son premier globe terrestre avec la collaboration de Frisius. En 1537 il dessine la première carte de la terre sainte et commence sa carte du monde (Orontius finaeus) qu'il termine en 1538. "La Gaule:

93. Mercator Ortelio Bene vale mi Chariss. D. Orteli. Duysburgi 8 Aug. 1579. Tuus perpetuo Gerardusmercator Amico singulari C. Abrahamo Ortelio mercator Ortelio sal. Notes. http://www.uvm.edu/~jbailly/commentaries/letters/mercator.html

Mercator Ortelio sal. By Dr. Mark Riley, California State University, Sacramento Salve plurimum mi D. Orteli. Magnus cunctator sum in remittendis iis, quae mihi liberaliter concessisti et ipse fortasse indiges. Tot occupationibus cingor ut exscribere illa vix tandem datum sit. Utinam reliquam eam continentem ita descriptam haberemus. Non dubito autem quin maxima eius pars a Portugalensibus sit descripta, postquam eam a Mexico usque in Cataium plures ac non semel peragrarunt, idque diversis itineribus, sed quae firmis praesidiis et legibus sibi subiecta non habent, non libenter (opinor) aliis spectanda permittunt, nam et Galli et Anglis occupandis terris inhiant. Galliam universam particulatim descriptam esse, non dubito quin audieris. De Hispania simile quid temptatum intellexi, sed quousque deductum sit opus ignoratur. Has tabulas si nancisci posses (ut posse existimo, cum in plurium evangelicorum principum manibus versentur, apud quos facilem tibi gratiam fore non dubito) maximum exoptatissimumque Theatro tuo auctarium adiungeres. Scripsit mihi filius te aliquot Tabularum appendicem fecisse, eiusque exemplar mihi donasse, pro quo ingentes ago gratias; spero in eo me Artesiam Hannoniamque reperturum, nam Artesiam qui excusam vidit, etiam Hannoniam mox edendam nihi dixit. Boni quaeso consule quod Tabulas Americae tamdiu retinui. Si quid amplius a te habeo, aut alioqui penes me sit quo uti velis, significa; mittam continuo. Bene vale mi Chariss. D. Orteli. Duysburgi 8 Aug. 1579.

94. Boutique, Globes Anciens Translate this page Les douze fuseaux de papier ont été imprimés d'après les originaux de Gerardusmercator, l'inventeur de la projection mercator qui fut adoptée à partir http://www.stewart-museum.org/servi2c.htm

Produits multimédias Publications Globes anciens Papeterie et nécessaire d'écriture Navigation LA BOUTIQUE DU MUSÉE STEWART Pour le plaisir de l'esprit ou celui des sens, la boutique du Musée Stewart peut répondre à vos attentes avec des objets uniques inspirés par nos collections, tels des soldats de plomb ou canons miniatures, un bateau dans une bouteille, ou des reproductions d'armes des 18 e et 19 e siècles, des bijoux écossais, des gravures et cartes, des globes et des étains. Les amateurs d'histoire peuvent choisir parmi une belle sélection d'ouvrages historiques de qualité, toujours à des prix abordables. Même si vous ne pouvez visiter le Musée en personne, vous pouvez commander parmi les items suivants. Nous vous proposons: REPRODUCTIONS DE GLOBES ANCIENS Globes monté sur boussole – 79,99$ ch. Les globes classiques qui n'étaient pas accompagnés d'une boussole étaient considérés comme «incomplets». Cette magnifique reproduction d'un globe en papier avec support en bois et en bronze est basée sur une boussole authentique du 17 e siècle. Les douze fuseaux de papier ont été imprimés d'après les originaux de

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