File:Bulletin international de l'Acadmie des sciences de Cracovie, Classe des sciences mathmatiques et naturelles (1901-1910) (20441021695).jpg

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Title: Bulletin international de l'Acadmie des sciences de Cracovie, Classe des sciences mathmatiques et naturelles
Identifier: bulletininternat09akad (find matches)
Year: 1901-1910 (1900s)
Authors: Akademja Umiejetnoþsci w Krakowie. Wydzial Matematyczno-Przyrodniczy
Subjects: Science; Natural history; Natural history -- Poland
Publisher: Cracovie : Impr. de l'Universit
Contributing Library: New York Botanical Garden, LuEsther T. Mertz Library
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden

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m state que le magicien disparait, en c6dant la place a I'aigle. Apres quelque temps, I'aigle disparait a son tour et nous retrouvons le magicien, et ainsi de suite. Ceci pr^cist^ment est le ph^nomene de variation p^^riodique du conteau d'une image plane. Les variations sont aussi prt^cises et indt^pendantes de la volont6 de I'observateur que les autres variations dont il a ete question plus haut au § I. La
Text Appearing After Image:
Nr. VII Fiff. 4. Fi^. 5. construction de dessins analogues aux precedents est facile; un des plus int^ressants est la fig. 5 qui m'a ^t^ propos^e par M. Niesi olowski; on y voit une femme ou un vase. C'est la serie des figures N°^ I—VI qui a servi d'objet a mes expt^riences. III. / Experiences. Je me proposals tout d'abord de mesurer les p^riodes des va- riations observ^es avec des dessins ayant le meme contour que le N" I. Ces dessins sont ranges en une s6rie N*** I—VI de maniere que chaque dessin suivant contienne toutes les lignes du dessin pre- cedent et une ligne nouvelle ajout^e de plus; le dessin N° VI con- tient ainsi toutes les lignes qui se trouvent dans les dessins prece- dents. Les observations etaient inscrites sur un cymograplie a I'aide d'une aiguille mise en mouvement par un courant ^lectrique. Sur la meme ligne verticale se trouvait une autre aiguille en comnm-* nication avec un chronometre de Jacquet qui enregistrait chaque cinquieme de seconde. Pendant toute la dur^e de la vision du ma-*

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https://www.flickr.com/photos/internetarchivebookimages/20441021695/

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Volume
InfoField
1909
Flickr tags
InfoField
  • bookid:bulletininternat09akad
  • bookyear:1901-1910
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Akademja_Umiejetno_sci_w_Krakowie_Wydzial_Matematyczno_Przyrodniczy
  • booksubject:Science
  • booksubject:Natural_history
  • booksubject:Natural_history_Poland
  • bookpublisher:Cracovie_Impr_de_l_Universit
  • bookcontributor:New_York_Botanical_Garden_LuEsther_T_Mertz_Library
  • booksponsor:The_LuEsther_T_Mertz_Library_the_New_York_Botanical_Garden
  • bookleafnumber:435
  • bookcollection:biodiversity
  • bookcollection:NY_Botanical_Garden
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
10 August 2015



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current22:14, 21 September 2015Thumbnail for version as of 22:14, 21 September 2015600 × 642 (71 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': Bulletin international de l'Acadmie des sciences de Cracovie, Classe des sciences mathmatiques et naturelles<br> '''Identifier''': bulletininternat09akad ([https://commons.wikim...

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