on light streams on account of using too large wheels reach a remarkable result, thus: 39 vibrations per second regularities of the land make it requisiteto doso. By di- than from all otber causes combined; and we set it down as give a residual sensation of 1, of a second; but if the resi- viding… … one half gate, for small wheels requiring seveneighths gates, vibrations,following one other at each soby of a second; but results in the use of much lees water for a given effect, and is for notes thus perceived without the intervention of corres- also at variance with our experience and can only…
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