Hughes
IF we strike the twelve as written in musical clef, beginning with the lowest A in the bass clef, each key-note, with its trinities, scale, and chords, sounds three harmonics. We may follow with the twelve keys as they rise, and descend by following the keys upwards as written in musical clef, each key falling lower. [Harmonies of Tones and Colours, Diagram XIII - The Twelve Keynotes with Their Trinities, page 38a]

See Also

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14.13 - Full Harmonic Chord
14.22.1 - Enharmonic is the High Neutral
8.17 - Law of Harmonic Vibrations
8.22 - Law of Harmonic Pitch
9.23 - Circular Harmonic Orbit
9.24 - Elliptical Enharmonic Orbit
acute harmonics
Analytic Study of Harmonic Intervals
Degree of Harmonicity
diatonic and enharmonic ring
diatonic enharmonic
Eleventh Harmonic
Enharmonic
enharmonic current
enharmonic diesis
enharmonic scale
Enharmonic Sixth
enharmonic sixths
enharmonic third
enharmonic thirds
Full Harmonic Chord
grave harmonic
Harmonic
harmonic attractive chord
harmonic circles
harmonic combination
harmonic current
harmonic fifth
harmonic note
harmonic partial
harmonic progression
harmonic scale
Harmonic Series
harmonic sixths
harmonic third
Harmonic Thirds
harmonic undulatory
harmonical parallel
harmonical ratio
harmonical triad
harmonicity
harmonics
Helmholtz Subharmonic Series
inharmonic
Law of Harmonic Attraction and Repulsion
Law of Harmonic Pitch
Law of Harmonic Relationship
Law of Harmonic Vibrations
major harmonics
minor harmonics
polar harmonic current
Power of Beat Harmonics
progression of harmonics
scale of Harmonics
second atomic harmonic
subharmonic
superharmonic
Table of Plate Harmonics and Intervals
three harmonics
Twelth Harmonic
Vibrating Rod Harmonics