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Practical physics (1922)

Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 388

An illustration from Practical physics, 1922, leaf 388
^lumbers of the tones. Furthermore, when two notes an octave apart are soundedtogether, they form the most liarmonious combination wliich itis possible to obtain. These characteristics of notes an octaveapart were recognized in the earliest times, long before any-thing whatever was known about the… … 338 PROPERTIES OF MUSICAL SOUNDS most harmonious combination which can be found, corre-sponds to the two notes commonly designated as do, sol. Ourexperiment showed that this interval corresponds to the nextsimplest possible vibration ratio, namely, 24 to 36, or 2 to 3.When sol is sounded with do,…

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