File:Cours de physique de l ecole Polytechnique - ed 2 vol 2 1868 p629 - phonautogram.png

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Cours_de_physique_de_l_ecole_Polytechnique_-_ed_2_vol_2_1868_p629_-_phonautogram.png(710 × 560 pixels, file size: 63 KB, MIME type: image/png)

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English: Several phonautograms resulting from the superposition of two sine waves from different tuning forks.
Français : Plusieurs phonautogrammes résultant de la superposition de deux ondes sinusoïdales provenant de différents diapasons.
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. 629 (fig. 515)
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 2009710 × 560 (63 KB)Xhienne (talk | contribs){{Information |Description={{en|1=Several phonautograms resulting from the superposition of two sine waves from different tuning forks.}} |Source=Jules Jamin, Edmond Bouty, [http://books.google.com/books?id=XvEGAAAAcAAJ&pg=PA629 Cours de physique de l'Éc

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