David Orser on sat 19 dec 98
---------- Forwarded message ----------
Date: Thu, 17 Dec 1998 16:39:08 -0500 (EST)
From: David Orser
To: tmartens@jhb-proxy.mweb.co.za
Subject: cornwall stone
came across this substitution for cornish stone a while back.
potash spar 67
silica 22
kaolin 11
test test test
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