Some pianos had replaced hammer rail felt with some kind of green foam. I've seen quite a few of them and the foam does crumble and make the kind of green dust you mentioned. Have a look at the spring rail and some of them had also the hammer rail covered with the stuff. Marcel Carey, RPT Sherbrooke, QC > Date: Sat, 28 Mar 2009 11:43:51 -0400 > From: davidskolnik at optonline.net > To: pianotech at ptg.org > Subject: [pianotech] Strange Green Powder > > My dear Southern Brothers - > > Would anyone from Florida or Louisiana (or other) have any idea of > the origin of an unusual lime-ish green powder that seems to have > been distributed over the hammers and dampers of a Baldwin Acrosonic > that I looked at yesterday? The piano lived, previously in the those > states. It does not seem to relate to any copper oxidation (the > strings are fine), nor to any abraided felts (there is nothing else > of that color). Could it have been some bug or mildew > treatment? I'd like to know, before I try tasting it. Thanks > > David Skolnik > Hastings on Hudson, NY > > _________________________________________________________________ Clavardez avec tout le groupe et rassemblez-les. http://go.microsoft.com/?linkid=9650742 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090328/e9898322/attachment.html>
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