20/9: Difference between revisions
mNo edit summary |
mNo edit summary |
||
| Line 2: | Line 2: | ||
{{Infobox Interval | {{Infobox Interval | ||
| Name = | | Name = Ptolemaic ninth | ||
}} | }} | ||
'''20/9''', the Ptolemaic ninth; the ratio between the 20th and 9th harmonics; one octave above [[10/9]]. | '''20/9''', the '''Ptolemaic ninth'''; the ratio between the 20th and 9th harmonics; one octave above [[10/9]]. | ||
[[Category:Nonet]] | [[Category:Nonet]] | ||