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Topic: Philippe de La Hire


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In the News (Tue 7 Oct 08)

  
  The Galileo Project
Family Financial Circumstance: Gov He was the eldest son of Laurent de La Hire, peintre ordinaire du roi, and founder and professor at the Académie Royale de Peinture and Sculpture.
La Hire's father was also one of the first disciples of Desargues.
La Hire published three works in one volume which, though not original, provided an exposition of the properties of conic sections and the progress of analytic geometry during the half century.
galileo.rice.edu /Catalog/NewFiles/lahire_phi.html   (714 words)

  
 CATHOLIC ENCYCLOPEDIA: Philippe de La Hire
Philippe first studied painting in Rome, where he had gone for his health in 1660, but on his return to Paris, soon devoted himself to the classics and to science.
In 1683, he continued the principal meridian north from Paris, Cassini at the same time continuing it south, and, in 1684, he investigated the flow and fall of the River Eure in connexion with the water-supply of Versailles.
The chief contributions of La Hire were in the department of pure geometry.
www.newadvent.org /cathen/08742b.htm   (410 words)

  
 The Problem of Lineal Standards
In 1667 the newly established Academie des Sciences and Academie des Inscriptions were influential in causing the establishment of a new standard of the Chatelet, which too was posted in the courtyard, where in 1758 it was damaged by an accident similar to that had occurred to the older one.
The greater length of the pied de roi was adjusted to a cube of 72 librae.
Philippe de la Hire submitted to the Academie des Sciences an ancien instrument de mathematique, which he said had been the rule used in establishing the new toise; I have found that his numerous measurements of Roman monuments indicated that he used a foot about 1/1000 shorter than the standard of Langlois.
www.metrum.org /measures/lineal.htm   (11390 words)

  
 Mons La Hire - Wikipedia, the free encyclopedia
Mons La Hire is a solitary lunar mountain in the western Mare Imbrium.
It is located to the northeast of Euler crater, and to the west-northwest of Lambert crater.
Felix and Verne are located to the south of the peak, while the remainder are grouped to the north and northeast.
en.wikipedia.org /wiki/Mons_La_Hire   (225 words)

  
 Le_Fevre
La Hire, and these two recommended him for membership of the Académie des Sciences shortly after this.
La Hire with the surveys of France that he was carrying out.
La Hire's son, Gabriel-Philippe de La Hire who had been commissioned by the Académie des Sciences to draw up new astronomical tables, published in Paris Ephemerides ad annum 1701.
www.educ.fc.ul.pt /icm/icm2003/icm14/Le_Fevre.htm   (464 words)

  
 Untitled Document
Gilles Personier (de) Roberval, born at Roberval in 1602 and died at Paris in 1675, described himself from the place of his birth as de Roberval, a seigniorial title to which he had no right.
Antoine de Laloubère, a Jesuit, born in Languedoc in 1600 and died at Toulouse in 1664, is chiefly celebrated for an incorrect solution of Pascal's problems on the cycloid, which he gave in 1660, but he has a better claim to distinction in having been the first mathematician to study the properties of the helix.
Philippe De la Hire (or Lahire), born in Paris on March 18, 1640, and died there on April 21, 1719, wrote on graphical methods, 1673; on the conic sections, 1685; a treatise on epicycloids, 1694; one on roulettes, 1702; and, lastly, another on conchoids, 1708.
www.meta-religion.com /Mathematics/Biography/contemporaries_of_descartes.htm   (2334 words)

  
 [No title]
Moreover, he accuses De Raey of having kept things for himself—which De Raey in turn denied claiming that ‘the papers in the suitcase were few in number and of little interest because Descartes had taken the more important ones with him to Sweden’.12 That not all letters were burned is in fact certain.
Wenste oock wel dat de principaelen oock wederom mij mochten behandicht werden: Alsoo geleerde luijden manuscripta in gazophylacio meo geen cleijne plaetse bewaren’.
According to a note on the wrapper that protects the manuscript the letters were copied ‘sur les originales’.98 This appears to be impossible, given the fact that the copy was made in the early 18th century and the fact that the original letters of Elizabeth were returned to her.
igitur-archive.library.uu.nl /ph/2005-0309-013011/full.txt   (16289 words)

  
 The Galileo Project
He was the son of the astronomer Philippe de La Hire and his first wife Catherine Lesage.
His grandfather was Laurent de La Hire, 'peintre ordinaire du roi' and professor of painting and sculpture at the Académie Royale.
From the year 1694 La Hire was appointed to various positions within the Académie.
galileo.rice.edu /Catalog/NewFiles/lahire_gab.html   (482 words)

  
 Bibliography - Published works   (Site not responding. Last check: 2007-11-02)
The volume was edited by the astronomer Philippe de La Hire and included papers by Jean Picard, Gilles Personne de Roberval, Bernard Frénicle de Bessy and Edme Mariotte.
He declared to M. de La Hire that he had forgotten that he had sent it to him with his other small treatises".
The sections that differ from the 1690 edition (printed as an appendix to the Traité de la lumière) were reprinted in Oeuvres complètes, vol.
www.phys.uu.nl /~huygens/hug_biblio1_en.htm   (4295 words)

  
 EPICYCLOID - LoveToKnow Article on EPICYCLOID
The locus of any other carried point is an epitrochoid when the circle rolls externally, and a hypotrochoid when the circle rolls internally.
Epicycloids also received attention at the hands of Edmund Halley, Sir Isaac Newton and others; spherical epicycloids, in which the moving circle is inclined at a constant angle to the plane of the fixed circle, were studied by the ~ernoullis, Pierre Louis M. de Maupertuis, Francois Nicole, Alexis Claude Clairault and others.
In the annexed figure, there are shown various examples of the curves named above, when the radii of the rolling and fixed circles are in the ratio of I to 3.
www.1911encyclopedia.org /E/EP/EPICYCLOID.htm   (746 words)

  
 [No title]
De Morgan was an outspoken champion of academic freedom and of religious tolerance.
De Moivre is particularly noted for his work Annuities upon Lives, which played an important role in the history of actuarial mathematics, his Doctrine of Chances, which contained much new material on the theory of probability, and his Miscellanea analytica, which contributed to recurrent series, probability, and analytic trigonometry.
De Moivre is credited with first treatment of the probability integral, and of (essentially) the normal frequency curve, which is so important in the study of statistics.
pegasus.cc.ucf.edu /~mathed/Eves   (21493 words)

  
 Philippe Starck La Marie and Louis Ghost stackable polycarbonate chairs   (Site not responding. Last check: 2007-11-02)
Designed by Philippe Starck, this chair is for venues and event companies looking for something contemporary that will stand out from the rest but in an understated and minimilist way.
Philippe Starck is a designer with an enviable reputation for taking functional items and giving them a new twist.
The combination of Philippe Starck design and Kartell engineering has again delivered an enviable result that is fast developing cult status.
www.band.co.uk /polycarbonate_chairs.html   (411 words)

  
 TELESCOPE - LoveToKnow Article on TELESCOPE   (Site not responding. Last check: 2007-11-02)
The practical discovery of the instrument was certainly made in Holland about 1608, but the credit of the original invention has been claimed on behalf of three individuals, Hans Lippershey and Zacharias Jansen, spectacle-makers in Middelburg, and James Metius of Alkmaar (brother of Adrian Metius the mathematician).
No further practical advance appears to have been made in the design or construction of the instrument till the year 1723, when John Hadley (best known as the inventor of the sextant) presented to the Royal Society a reflecting telescope of the Newtonian construction, with a metallic speculum of 6-in.
Every time, therefore, that a speculum is repolished, the future quality of the instrument is at stake; its focal length will probably be altered, and thus the value of the constants of the micrometer also have to be redetermined.
30.1911encyclopedia.org /T/TE/TELESCOPE.htm   (14001 words)

  
 [No title]
In 1538-40 he tutored the bastard son of Lazarre de Baif, and accompanied Baif, a representative of Charles V, on a legation to Germany and Italy.
K.J. Franklin, De venarum ostiolis of Hieronymus Fabricius of Acquapendente, (Baltimore, 1933).
His mother brought the social status of the parliamentary noblesse de la robe to the family.
www.clas.ufl.edu /users/rhatch/pages/03-Sci-Rev/SCI-REV-Home/resource-ref-read/major-minor-ind/westfall-dsb/SAM-E-F.htm   (13882 words)

  
 Vol. 1 Ch. 2
French thinkers such as Pierre de La Ramée‚ had suggested that cossist algebra was a vulgar form of the analytical method of Greek mathematics.
When Philippe Galle took over Cock's press there were reissues, frequently with new plates of the perspectival views, of Cock, Jan Vredeman de Vries and his son Paul.
Aside from reissues of Vredeman de Vries (1606,1673), Blum (1640), and Serlio (1653), there were only a handful of new publications: a collection of ruins and views by Nieulandt (1610, 1628), an optical treatise by Aguilonius (1613), a work on conic sections by Saint Vincent (1647) and a technical treatment of perspective by Tacquet (1669).
www.mmi.unimaas.nl /people/Veltman/books/vol1/ch2.htm   (17862 words)

  
 [No title]
April 7 - Jean-Baptiste de la Salle, French educational reformer (b.
April 21 - Philippe de la Hire, French mathematician and astronomer (b.
La Guerra dei diamanti in Sierra Leone --> Processo a Taylor
www.kisanji.org /?modulo=wikipedia&arg=1719   (356 words)

  
 [No title]
At worst La Roche can be accused of patching together the works of three authors, Luca Pacioli, Philippe Frescobaldi (a banker in Lyon), and Nicolas Chuquet, whose works were inaccessible to the average French merchant.
Father: Aristocrat; Michel de l'Écluse was lord of Watènes and councillor at the provincial court of Artois.
Consultant de Sa Majesté.'; His most important 'patron' (although I do not use the word within the nuclear family) was his father, whose position at the Academy undoubtedly made Louis Lémery's rise easier.
web.clas.ufl.edu /users/rhatch/pages/03-Sci-Rev/SCI-REV-Home/resource-ref-read/major-minor-ind/westfall-dsb/SAM-L.htm   (16896 words)

  
 Constellations & Stars, Greek Mythology Link.
And as it is easy to induce him, who has committed a evil deed, to forget it, the king, seeing that Mastusius was in friendly terms with him, left the whole story behind.
When the king's daughters arrived Mastusius killed them and, mixing their blood with wine in a bowl, bade it be given as a drink to the king on his arrival.
Others say that this is the Bowl that a certain crow had to fill with water at Apollo's request and, instead of performing his task, he stayed away eating figs.
homepage.mac.com /cparada/GML/CONSTELLATIONS.html   (3967 words)

  
 Jean Dominique (Giovani Domenico) Cassini
Although his visit was originally intented to be limited duration, Cassini warmed up to France to the point of accepting the directorship of the Observatory in 1671, and never returned to Italy.
Carried out primarily by the Jesuit Jean Picard (1620-1682), and later by Philippe de La Hire (1640-1718), this program included sunspot observations as well as measurements of the solar diameter.
The Observatoire de Paris thus remained under the leadership of the Cassini family for over 120 years, until Dominique resigned his position in 1793 for political reasons.
www.hao.ucar.edu /Public/education/bios/cassini.html   (530 words)

  
 Websters Instrument Makers Database - Letter L   (Site not responding. Last check: 2007-11-02)
de la Hire; wrote on astrolabes and gnomonics; invented a new type of astrolabe projection.
Jérôme Le François de Lalande; astronomer; author; had the analemmatic sundial on the church in Bourg-en-Bresse restored; drew a celestial globe, 1792.
Lefèvre; invented a micrometer, 1705; made instruments for the Académie des Sciences including 2 micrometers, a microscope, etc.; inkstand is probably part of an etui, it has the address on it.
www.adlerplanetarium.org /history/websters/l.htm   (6769 words)

  
 [No title]
The same year he married Genevieve de Laistre, daughter of the Count de Clermont's lieutenant-general, who was a King's adviser, and bought the castle of Thury, near Beauvais, which became his family residence and whose area was crossed- amazingly!- by the Paris meridian.
As soon as Cassini arrived at the Observatory, he began a series of observations of the lunar surface which was to lead to the realization of an Atlas (1678), a large Map(1692), and to a theory of the libration and three laws of the Moon rotation, that bear his name.
He knew how to interest the King and his court in his work, and to assert himself by his talent and qualities of organizer, among renowned astronomers such as Jean Picard, Christian Huygens, Olaüs Römer, Giacomo Felippo Maraldi, Philippe de La Hire, who were sometimes called the "Paris school" with Cassini as leader.
www.obs-nice.fr /Cassini/biocassini_english.html   (1135 words)

  
 Filippo Morghen Text   (Site not responding. Last check: 2007-11-02)
There were many seventeenth-century treatises dealing with the possibility of a voyage to the moon.
Morghen, perhaps through Hamilton, apparently knew that Philippe de la Hire (whose name appears in the title) did not believe the moon was inhabited.
A later edition of the series substitued the figure of Bishop John Wilkins for that of Wild Scull (de la Hire's travelling companion).
www2.ku.edu /~sma/morghen/morgtxt.htm   (237 words)

  
 Museo della Specola, Bologna - Catalogue, telescopes, 34   (Site not responding. Last check: 2007-11-02)
It is a bar micrometer modeled on the instrument Philippe de La Hire (1640-1718) had described in his 1685 work, L’E’cole des Arpenteurs.
De La Hire", which formed part of "a case covered with gilded damask brocade", together with compasses and mathematical instruments, that today have been lost.
A micrometer modeled on the same lines but built before and signed Jacopus Lusverg mutinensis / fa.at Romae anno 1677 can be found at the seminary of Treviso (Piero Todesco, in preparation).
www.bo.astro.it /dip/Museum/english/can_34.html   (207 words)

  
 Newsletter_1
Philippe de La Hire at the Court of Jayasimha;
Gregg De Young has translated this brief text into English, and written an introduction to JohnGreaves, his translation, and Greaves' historical introduction to the study of cosmology from Ptolemy to the seventeenth century.
The book won him the Delalande-Guérineau prize of the Académie des Inscriptions et Belles-Lettres, and in 1976 he was elected to the International Academy of the History of Science.
chama.fltr.ucl.ac.be /chama2/newsletter_2.htm   (5796 words)

  
 Honoré Fabri, S.J.
Fabri was the first of many famous professors produced by the Jesuit Collège de la Trinité: his students included Pierre Mousnier, Francois de Raynaud, Jean-Dominique Cassini and Philippe de La Hire.
He was the leader of a circle of mathematicians, which led him into friendship with Gassendi, Leibniz, Mersenne, Descartes and two Huygenes (father and son), Claude Dechales and Berthet.
Among his close friends was a fellow Jesuit and his classmate at Collège de la Trinité, Père Lachaise, after whom is named the famous cemetery in Paris.
www.faculty.fairfield.edu /jmac/sj/scientists/fabri.htm   (903 words)

  
 Emanuel Swedenborg
The Academy of Science in Paris published the volume De Ferro in their description of mechanical arts "because it was considered to be the best about this subject".
In the same year (1745) Swedenborg published a half scientific and half religious essay: De Cultu et Amore Dei (About the Worship and the Love of God), in which is dealt with the creation of the world, the origin of vital patterns and the appearance of humans.
From it he only published some parts, as for example De Athanasii Symbolo, De Verbo, etc. In 1759 he wrote different small papers that were published in his inherited works.
www.swedenborg.onlinehome.de /englisch/Sw1000e.htm   (3784 words)

  
 artnet.com: Resource Library: La Hyre, Laurent de   (Site not responding. Last check: 2007-11-02)
He was the son of Etienne de La Hyre (c.
The most notable was Louis de La Hyre (1629–53), several of whose paintings and drawings have been identified, including the painting the Vow to the Virgin (1652; Rouen, Mus.
Champaigne, de: (1) Philippe de Champaigne, §1(iii): Work for the regency, 1643–60
www.artnet.com /library/04/0487/T048787.asp   (245 words)

  
 Earliest Known Uses of Some of the Words of Mathematics (H)   (Site not responding. Last check: 2007-11-02)
De la Hire, Harmonicales dicuntur." In "Nouvelle methode en geometrie pour les sections des superficies coniques et cylindriques...," 1673, by Philippe de la Hire, p.1, his first words are: "Definition.
In June 1907 in the Bulletin des Sciences mathématiques, Lebesgue denied any paternity of the theorem and wrote that in his opinion the name of the theorem should bear only the name of Borel [Udai Venedem].
The name is relatively recent but the distribution first appears as the solution to Problem IV of Huygens’s De Ratiociniis in Ludo Aleae (1657, p.
members.aol.com /jeff570/h.html   (5600 words)

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