Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 142
dni pointed out the error of thesenotions, and reduced the action of the instrument to thatof the wind upon its strings. § 11. Youngs Optical Illustrations, Finally, with regard to the vibrations of a wire, theexperiments of Dr. Young, who was the first to employoptical methods in such experiments,… … 1 hat produced by the whirling of a burning coal in the air,and the form of this line revealed the character of the vi-bration. It was rendered manifest by these experimentsthat the oscillations of the wire were not confined to asingle plane, but that it described in its vibrations curvesof greater…
Sound
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