Ramsay
"To say that I was surprised at what Mr. Keely has discovered would be saying very little indeed ... It would appear that there are three different spheres in which the laws of motion operate.
1 - The first is the one in which Nature plays her grand fugue on the silent harp of Pendulums. In one period of Nature's grand fugue, as illustrated by pendulums, there are 19 ratios in 25 circles of oscillations ranging over 6 octaves; but all in silence. [Scientific Basis and Build of Music, page 86]

See Also

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circle
25 circles of vibrations
pendulum
25 circles of oscillations
8.2 - Oscillation versus Vibration
8.20 - Law of Sympathetic Oscillation
Center of Oscillation
co-oscillation
co-vibration
Differential Oscillation
Law of Oscillating Atomic Substances
Law of Variation of Atomic Oscillation by Sono-thermism
Law of Variation of Pitch of Atomic Oscillation by Pressure
laws of oscillatory and vibratory motions
MOLECULAR OSCILLATING FREQUENCY
molecular oscillation
oscillate
oscillating proximately
oscillating range of motion
Oscillation
oscillatory motion
Pendulum Oscillation
Proximate Oscillation
Ramsay - PLATE IV - Oscillation and Vibration
Ramsay - PLATE V - Proximate and Differential Oscillations
Ramsay - The New Way of Reckoning a Pendulum Oscillation
Sympathetic Oscillation
Table 13.02 - Vibratory and Oscillatory Triple Force Functions
TREXNONAR MEASUREMENT OF MOLECULAR OSCILLATING FREQUENCIES