Lee on thu 19 may 11
On Thu, May 19, 2011 at 6:18 AM, Ric Swenson wr=
=3D
ote:
> MJ,
>
> I have used my master's degree ring from Univ of Puget Sound in 1976 to
> SOUND every piece I make....after so many years...it is quite thin where =
=3D
I
> have used it to test pieces from the kiln.
>
>
The primary difference in sound, if no cracks are in the picture, is
vitrification. My unglazed red earthenware, fired to cone 1, rings more
nicely than my cone 10 porcelain.
As Pete Pinell has shared here from his tests: earthenware fired to a littl=
=3D
e
higher cone tests stronger than any other clay he tested.
--
Lee =3DE6=3D9D=3D8E Love in Minneapolis
http://mingeisota.blogspot.com/
"Ta tIr na n-=3DC3=3DB3g ar chul an tI=3DE2=3D80=3D94tIr dlainn trina ch=
=3DC3=3DA9ile"=3D
=3DE2=3D80=3D94that is, "The land
of eternal youth is behind the house, a beautiful land fluent within
itself." -- John O'Donohue
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