Temperament Question

[luca pacha]

Hello list

Is there any location where I can find the exact definition of
all these temperaments, including the more recent ones ?
Pietro Aaron temperament, ... and others ?
Thank you

A440A@AOL.COM wrote:

> Keith writes:
> <<  I'd like to tune her piano in a temperament in
> which she will be able to hear as much just intonation as possible. I have
> Jorgensen's book, and have been looking at the Pietro Aaron temperament,
> which has a lot of just thirds, but no just fifths; and the Kirnberger
> which has some just triads. Question: which temperament has the most just
> intervals, or which temperament do you think will give my customer the best
> experience of just temperament. >>
>
> Greetings,
>     The "Just Intonation" is not a definitive term.  You can tune all the
> fifths perfect, (except the last one) and have "JI".  Of course, the thirds
> will be screaming.  You can tune eight out of 12 thirds Just, you must decide
> which ones.  The acoustical fact with 12 note octaves is that fifths and
> thirds will be in opposition.  Help one, damage the other!
>    To stay in the traditional temperaments, the Kirnberger II give several
> Just thirds and fifths, but there is a lot of tempering in there.
> I would use the Kirnberger, since there will be a lot of string movement
> required to reach a Aaron 1/4 comma tuning, and it is hard on the piano's
> stability.
> Good luck,
> Ed Foote