source file: m1470.txt
Date: Thu, 9 Jul 1998 11:50:32 -0500 (CDT)

Subject: RE: Helmholtz's and Ellis's tunings

From: Paul Hahn <Paul-Hahn@library.wustl.edu>

On Thu, 9 Jul 1998, Paul H. Erlich wrote:
> I thought the duodenarium was a 12-tone scale, Euler's 3^3.5^2 genus. I
> guess I was wrong. Please straighten me out.

As best I can interpret Ellis, he seems to use "duodene" to refer to the
12-tone Euler genus Paul E. describes, and "duodenarium" to the infinite
plane that results when you tile a bunch of these together--in other
words, the 3-5 harmonic lattice.

--pH <manynote@lib-rary.wustl.edu> http://library.wustl.edu/~manynote
    O
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