the leaves of the same faster speed than with a tool used dry. Theresult of the next following wave at other points. Wherever the crests |tree. Although the eye readily detects the difference be- experiment was that the difference, i: any, was too slight to of two waves or the troughs of two waves… … tore keep more cvol. The difference in their favor is, how- : : 6:7 : A third method of optical study is by the aid of manome- ever, not very great. A short time since, Thomas and Co., vn Nii, nfl Nin an - ak. i : * ° . : . Wal mali V\\ eal i vrflNimniimal ain Nila tric flames. The vibrations from…
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