ss may have been made in tell- tive or instructive than those connected with the sub- wires may be varied. ing what paper is, we have yet no correct explanation. The wire at its mid-length passes around a small ject of sound. The experiments of M. Lissajous are sheave in the other post, so that as… … become softer, but recover that The mirrors employed in the con- quality again in drying. In the struction of this instrument are the moistened state the ductile fibers, aided by the shak- the tension of its two branches will be equalized. The small], inexpensive circular pocket mirrors sold on the…
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