File:Cours de physique de l ecole Polytechnique - ed 2 vol 2 1868 p509 - phonautogram.jpg

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Cours_de_physique_de_l_ecole_Polytechnique_-_ed_2_vol_2_1868_p509_-_phonautogram.jpg ‎(726 × 273 pixels, file size: 15 KB, MIME type: image/jpeg)

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Description
English: A phonautogram.
Français : Un phonautogramme.
Date circa 1868
date QS:P,+1868-00-00T00:00:00Z/9,P1480,Q5727902
Source Jules Jamin, Edmond Bouty, Cours de physique de l'École Polytechnique, ed. 2, vol. 2, p. 509 (fig. 427)
Author Book: Jules Jamin, Edmond Bouty – Phonautogram: unknown

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current03:23, 29 December 2009Thumbnail for version as of 03:23, 29 December 2009726 × 273 (15 KB)Xhienne (talk | contribs){{Information |Description={{en|1=A phonautogram.}} |Source=Jules Jamin, Edmond Bouty, [http://books.google.com/books?id=XvEGAAAAcAAJ&pg=PA509 Cours de physique de l'École Polytechnique, ed. 2, vol. 2, p. 509] (fig. 427) |Author=Book: Jules Jamin, Edmond

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