Tyndall, John, 1820-1893 · New York : Appleton · leaf 187
f a note, its octave, and itsdouble octave.12 178 SOUND. § 10. StrehlTce and Faradays Experiments: Deportment of Light Powders. The actual movement of the sand toward the nodallines may be studied by clogging the sand with a semi-fluidsubstance. When gum is employed to retard the motionof the… … S&y • t -■^■V vSy&s/ii ? f < ■--■: <jP- - ■* ■■* ftOviy * ■■<;•;.*&*§=: ■,l ^V.1^ i • iiiA-.-^- ~ i^.J^cS 3 $,Z9A> ■■•- .3&S-
Sound
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.