COMMA. - The ratio of 80:81 - not an interval, but a fraction of an interval. [Scientific Basis and Build of Music, page 25]
See Also
Apotome Minor
Apotome
Diesis
Forty-seventh Proposition of Pythagoras
Golden Verses of Pythagoras
Interval
Pythagoras Kepler School
Pythagorean Comma
Pythagorean Komma
Pythagorean Tuning
Ramsay - The New Way of Reckoning a Pendulum Oscillation
comma