Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 199
availed himself of the principle of re-sonance in analysing composite sounds. He employs littleFig. 94a. hollow spheres called reso- nators^ one of which isshown in fig. 94a. Thesmall projection 6, whichhas an orifice, is placed inthe ear, while the sound-waves enter the hollowsphere through the… … ORGAN-PIPES. § 12. Princijples of Resonance applied to Organ-Pipes. Thus disciplined we are prepared to consider the sub-ject of organ-pipes, which is one of great importance.Before me on the table are two resonant jars, and in myright hand and my left are held two tuning-forks. I agi-tate both,…
Sound
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