A circle was drawn with the dividing by halves principal. The quadrant on the left upper portion has divisions of nine parts. These are marked 1, 2, and 3, etc.. The second rim is divided into eight parts, numbered also. The ratios are read off a 1:1, 2:1, 3:2, 4:3, 5:4, 6:5 two blank spaces for 7:6 and 8:7, as they are not used in this system, and 9:8.
The next ring has six divisions, the next five, etc. Since the margin of error is too great to deal with these proportions there is some distortion in the ray measurements, when drawn. However, the combination of the ring measurements and the ray measurements is so much like those of the shell that comparison can be made. To the upper right 16 points were counted off the horizontal radius, and the tones laid on them according to the ratios of their relative pitches to the beginning tone.
When colored rays are drawn to each tone and through to the other side... at the twist point the tone spectrum is reversed.
At the lower right, the tones are placed as they would fall on a grid in a wave form of crests and troughs. As would be expected tones B at 15:8, and Bb at 16:9 lie on a different plane... or dimension from the other tones.





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