Sound : an elementary text-book for schools and colleges (1913)
Capstick, John Walton, 1858- · leaf 159
idebore, but the great majority of musical notes are complex, andcan be analysed into a number of constituents. Let us suppose that a note contains only two tones anoctave apart. We can find by the method described in 10—2 148 QUALITY OF MUSICAL NOTES [CH. IX Chapter IV the displacement curve for… … Fig. 69 and taking account of their signs in the usual way we get thelowest curve for the displacements of the air when the twonotes are sounded together. It will be noticed that the curve is not symmetrical on thetwo sides of the maximum ordinates. If, as usual, ordinatesmeasured upwards…
Sound
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