Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Wilhelm_Schickard> ?p ?o }
- Wilhelm_Schickard abstract "Wilhelm Schickard (22 April 1592 – 24 October 1635) was a German professor of Hebrew and Astronomy who became famous in the second part of the 20th century after Dr. Franz Hammer, a biographer (along with Max Caspar) of Johannes Kepler, claimed that the drawings of a calculating clock, predating the public release of Pascal's calculator by twenty years, had been discovered in two unknown letters written by Schickard to Johannes Kepler in 1623 and 1624.Dr. Hammer asserted that because these letters had been lost for three hundred years, Blaise Pascal had been called and celebrated as the inventor of the mechanical calculator in error during all this time.After careful examination it was found that Schikard's drawings had been published at least once per century starting from 1718, that his machine was not complete and required additional wheels and springs and that it was designed around a single tooth carry mechanism that didn't work properly when used in calculating clocks.Schickard's machine was the first of several designs of direct entry calculating machines in the 17th century (including the designs of Blaise Pascal, Tito Burattini, Samuel Morland and René Grillet). The Schickard machine was particularly notable for its integration of an ingenious system of rotated Napier's rods for multiplication with a first known design for an adding machine, operated by rotating knobs for input, and with a register of rotated numbers showing in windows for output. Taton has argued that Schickard's work had no impact on the development of mechanical calculators. However, whilst there can be debate about what constitutes a \"mechanical calculator\" later devices, such as Moreland's multiplying and adding instruments when used together, Caspar Schott's Cistula, René Grillet's machine arithmétique, and Claude Perrault's rhabdologique at the end of the century, and later, the Bamberger Omega developed in the early 20th Century, certainly followed the same path pioneered by Schickard with his ground breaking combination of a form of Napier's rods and adding machine designed to assist multiplication.He is considered as the 'father of computing age'.".
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- Wilhelm_Schickard wikiPageWikiLink Category:Christian_Hebraists.
- Wilhelm_Schickard wikiPageWikiLink Category:German_Hebraists.
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- Wilhelm_Schickard wikiPageWikiLink Engraving.
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- Wilhelm_Schickard wikiPageWikiLink Hebrew_language.
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- Wilhelm_Schickard wikiPageWikiLink René_Grillet_de_Roven.
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- Wilhelm_Schickard wikiPageWikiLinkText "Schickard, Wilhelm".
- Wilhelm_Schickard wikiPageWikiLinkText "W. Schickarti".
- Wilhelm_Schickard wikiPageWikiLinkText "Wilhelm Schickard".
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- Wilhelm_Schickard subject Category:1592_births.
- Wilhelm_Schickard subject Category:1635_deaths.
- Wilhelm_Schickard subject Category:Christian_Hebraists.
- Wilhelm_Schickard subject Category:German_Hebraists.
- Wilhelm_Schickard subject Category:German_astronomers.
- Wilhelm_Schickard subject Category:German_inventors.
- Wilhelm_Schickard subject Category:German_male_writers.
- Wilhelm_Schickard subject Category:People_from_Herrenberg.
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- Wilhelm_Schickard comment "Wilhelm Schickard (22 April 1592 – 24 October 1635) was a German professor of Hebrew and Astronomy who became famous in the second part of the 20th century after Dr. Franz Hammer, a biographer (along with Max Caspar) of Johannes Kepler, claimed that the drawings of a calculating clock, predating the public release of Pascal's calculator by twenty years, had been discovered in two unknown letters written by Schickard to Johannes Kepler in 1623 and 1624.Dr.".
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