6144/6125: Difference between revisions
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Latest revision as of 02:14, 4 November 2024
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Sarurutrigu comma
6144/6125, the porwell comma, is a small 7-limit comma measuring about 5.4 cents. It is the amount by which a stack of two 35/32's falls short of 6/5, and the amount by which a stack of two 48/35's exceeds 15/8.
Temperaments
Tempering out this comma alone in the 7-limit leads to the porwell temperament. See Porwell family for the family of rank-3 temperaments where it is tempered out. See Porwell temperaments for a collection of rank-2 temperaments where it is tempered out.
Etymology
This comma was first named as hewuermity by Gene Ward Smith in 2005 as a contraction of hemiwürschmidt and amity[1], and was renamed to porwell in 2010 as a contraction of porcupine and orwell per Petr Pařízek's suggestion[2].