File:L'art de fortifier, de defendre, et d'attaquer les places - suivant les methodes françoises, hollandoises, italiennes and espagnoles, le tout enrichy de figures en taille douce (1677) (14781594341).jpg

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Identifier: lartdefortifierd00dech (find matches)
Title: L'art de fortifier, de defendre, et d'attaquer les places : suivant les methodes françoises, hollandoises, italiennes & espagnoles, le tout enrichy de figures en taille douce
Year: 1677 (1670s)
Authors: Dechales, Claude-François Milliet, 1621-1678
Subjects: Fortification Military art and science
Publisher: A Paris : Chez Estienne Michallet ...
Contributing Library: Getty Research Institute
Digitizing Sponsor: Getty Research Institute

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es, les li-gnes de defenleEDjFCfetrouvcnt décentcinquante ou ceat foixanre toifcs ; Je rc-eulcle Baftionde toute ladeini-gorgc BG,& commence à tirer le flanc en B, prenantprés de quarante toifes pour la gorge BH.Je pourr jis mcf-ne reculer davantage^com-me vous voyez de lautre codé, que jaytiré le flanc au poinâ; I. Ainfl , les défen-des HK ML fe trouvent plus courtes, &à la portée du moufquet. Les Baftions fem-blerontdifformes j maisU ne sen faut pasmettre en peine , nous fouvenant toujoursde cette maxime , que les Bafl:ions font lesplus beaux,qui nous défendent le mieux,<S<:qui font les mieux flanquez. PROPOSITION XXV. Seconde façon de fortifier une Lignetrop lOngue. ^^•44- - T A féconde façon de fortifier une LigneMui. £ trop longue, fuppofe que les Baftionsfont déjà bâtis , & quils tirent leur de-fenfe à peu prés du milieu de la Courti-ne En ce cas, on doit faire un Baftion plat:Par exemple, on veut fortifier la ligne Nîvi, FlojxcA Tg^ Q^g 6
Text Appearing After Image:
Livre ejUAtrieme ^-f qiiieftil longue , que le moufqacr ne peutporter depuis le flanc jufques au Baftionoppofé. Divifcz également en deux la li-gne OP5 aupoinâ: R; & ayant pris deux-demi gorges raifonnables R T, R S, cha-cune de vingt ou vingt-cinq toifcs, tirezauflî deux flancs SX, TV, chacun pour lemoins de dix-huit toifes: puis joignant laligne XV 5 &la divifant par le milieu enY; tirez la perpendiculaire YZ égale à YX,vous aurez les faces XZ, VZ, & le Baftioaplat fera achevé. Ces Battions plats font excelkns à cauféquils font fbrts , & quils ont une defen-fc très-courte. Si la ligne eftoit auflB longue qiic les trois^codez, dun Polygone, par exemple de troiscent cinquante toiles , on pourrou fairedeux Baftions plats : & davantage ii elle-avoir plus de longueur. PROPOSITION XXVL Troféme façon de fortifier une Ligne-trof lonqHt, CEtte proportion fuppofe que les bÎ- ,(lions font déjà faits j & quils font à ^J*^defeufcsrazamcs, fans aucune defen

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Flickr tags
InfoField
  • bookid:lartdefortifierd00dech
  • bookyear:1677
  • bookdecade:1670
  • bookcentury:1600
  • bookauthor:Dechales__Claude_Fran__ois_Milliet__1621_1678
  • booksubject:Fortification
  • booksubject:Military_art_and_science
  • bookpublisher:A_Paris___Chez_Estienne_Michallet____
  • bookcontributor:Getty_Research_Institute
  • booksponsor:Getty_Research_Institute
  • bookleafnumber:411
  • bookcollection:getty
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014



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