Elementary Lessons on Sound

according alteration appears arranged beats bell body BOOK Cambridge cause chords closed College consists consonant containing Continued corresponding Crown 8vo determined direction distance double Edition effect elasticity ELEMENTARY English equal Examples excited experiments Extra extremity fcap fifth fixed flame fork four fourth give given harmonic heard heat Helmholtz higher HISTORY Illustrations increase instrument intervals keyboard keys late length less lower major Master material means membrane metal method minor motion musical named natural nodes observed obtained octave ordinary organ original passing perfect pipe pitch practical preparation produced Professor ratio reed resonance result revised scale School shown simple single sound standard stopped string successive temperature termed theory third tone TREATISE tube tuned tuning-fork University upper partials usually varies velocity vibrations wave