"All coherent aggregates are perpetually vibrating at a period-frequency corresponding to some harmonic ratio of the fundamental pitch of the vibrating body; this pitch is a multiple of the pitch of the atomole." [Keely, pre1894]

See Also

See Also

**Differentiation****Figure 8.5 - Summation Tones****Harmonic****Harmonic Series****Interval****Law of Harmonic Pitch****Law of Harmonic Vibrations****Overtone****Overtone Series****Overtones Developed Musically****Resultant Tone****Scale****Sympathetic Vibration****Sympathy****Undertone****1.23 - Power of Harmonics through Summation Tones****9.8 - Spontaneous Creation of Harmonic Series****9.9 - Sympathy or Harmony Between Harmonics or Overtones**