[pianotech] Strange Green Powder

[Marcel Carey]

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
> 
> 

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