Barton, Edwin H. (Edwin Henry), b. 1858 · London, Macmillan and Co., limited · leaf 578
e, whenexamined with a vibration microscope whose note is instrict unison with its own. 537. Lissajous Figures. — This is another opticalmethod for the comparison of vibration frequencies andalso due to Lissajous. It is susceptible of high accuracy,and forms in addition a striking lecture… … Fig. 97.—Projection of Lissajous Figures. Expt. 86. Projection of Lissajous Figures.—For thispurpose we require two tuning-forks tuned either to thesame pitch or to some simple interval like an octave, atwelfth, or a fifth. These are provided with small planemirrors, and are mounted on adjacent…
Sound
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