Huwebes, Hulyo 28, 2011

Eiffel Tower





The Eiffel Tower was built for the World Exhibition in 1889, held in celebration of 
the French Revolution in 1789.






The Eiffel Tower is one of the most famous icons in the world and is located on the banks of the Seine River in Paris, France.






The tower rises 300 meters tall (984 ft); when it was completed at the end of the 19th century it was twice as high as the Washington Monument, at the time the tallest structure in the world.






Three hundred workers joined together 18,038 pieces of puddled iron (a very pure form of structural iron), using two and a half million rivets, in a structural design by Maurice Koechlin.








Eiffel had a permit for the tower to stand for 20 years; it was to be dismantled in 1909, when its ownership would revert to the City of Paris. The City had planned to tear it down (part of the original contest rules for designing a tower was that it could be easily demolished) but as the tower proved valuable for communication purposes, it was allowed to remain after the expiry of the permit. The military used it to dispatch Parisian taxis to the front line during the First Battle of the Marne.








The man behind the Eiffel Tower was Gustave Eiffel, known from his revolutionary bridge building techniques, as employed in the great viaduct at Garabit in 1884.







Gustave Eiffel engraved on the tower seventy-two names of French scientists, engineers and other notable people. This engraving was painted over at the beginning of the twentieth century but restored in 1986–1987 by the Société Nouvelle d'exploitation de la Tour Eiffel, a company contracted to operate business related to the Tower.








Inaugurated March 31, 1889, the Eiffel Tower would be the tallest structure in the world until the completion of theChrysler Building in 1930.






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