Robert, This looks a little like oxalic acid used for cleaning wooden piano parts. Perhaps someone has been there before you?? David Lawson Wangaratta Australia ----- Original Message ----- From: "Robert Casper" <bcasper at cox.net> To: "'Pianotech List'" <pianotech at ptg.org> Sent: Saturday, June 03, 2006 5:09 AM Subject: RE: Baldwin mold? > The piano has always been in the teacher's studio in Irvine CA. There is no > Damp Chaser but no high humidity either. I detected no odder at all. > Bob > > -----Original Message----- > From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf > Of Barbara Richmond > Sent: Friday, June 02, 2006 11:34 AM > To: Pianotech List > Subject: Re: Baldwin mold? > > Hi Bob, > > It looks like there's rust, too. Was this piano in storage at one time? > Does it smell musty? Any other signs of high humidity? > > Where is the OC Chapter? > > Barbara Richmond, RPT > near Peoria, IL > > > ----- Original Message ----- > From: "Robert Casper" <bcasper at cox.net> > To: <pianotech at ptg.org> > Sent: Friday, June 02, 2006 10:05 AM > Subject: Baldwin mold? > > > >I have a new client with a 1990 Baldwin SF. After tuning I pulled the > > action to deal with a couple of "sticky keys". I was very surprised to > > see > > a lot of growth on the hammer shafts (mostly in the center of the piano). > > To a much lesser degree it is on the wippens also. I have never seen this > > before and wondered what it is and how to treat it. It looks like white > > crystals growing. This is a link to a couple of pictures to help identify > > this mess. > > > > http://members.cox.net/bcasper/baldwin.htm > > > > Bob Casper > > Associate > > OC Chapter > > > > > > >
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