Revision history of "File:Chladnis Table in Wheatstone 1833 3.jpg"

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  • curprev 18:50, 9 May 2013Dusan talk contribs 203 bytes +203 From Charles Wheatstone, "On the Figures Obtained by Strewing Sand on Vibrating Surfaces, Commonly Called Acoustic Figures", 1833. [http://archive.org/stream/philtrans07365800/07365800#page/n19/mode/2up]