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<br>
Have found that here in Canada on spinets, but don't recall the yellow
color. Also, found<br>
similar stuff on accordion bass machines, made in Germany . Often
wondered what<br>
atmospheric condition produced this . Thought it might have been
humidity.<br>
<br>
Carl / Winnipeg<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
David Nereson wrote:
<blockquote cite="midMDEMLCBECBNOPHFPAKPBMEEFCHAA.dnereson@4dv.net"
type="cite">
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<div><span class="659315709-28092006"><font face="Arial">I've seen
that many times also. I'm sure it's the result of a chemical reaction
with the air or maybe with some polish or mothproofing that was put on
at the factory or who knows what. Sometimes dissimilar metals cause
deposits to form, either from corrosion or electrolysis, but I'm not a
chemist. I doubt it's harmful dust, just sitting there, but I wouldn't
breathe it in. </font></span></div>
<div><span class="659315709-28092006"> <font face="Arial">--David
Nereson, RPT</font></span></div>
<blockquote>
<div class="OutlookMessageHeader" align="left" dir="ltr"><font
face="Tahoma" size="2">-----Original Message-----<br>
<b>From:</b> <a class="moz-txt-link-abbreviated" href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a>
[<a class="moz-txt-link-freetext" href="mailto:pianotech-bounces@ptg.org">mailto:pianotech-bounces@ptg.org</a>]<b>On Behalf Of </b>holly quigley<br>
<b>Sent:</b> Wednesday, September 27, 2006 10:22 AM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:pianotech@ptg.org">pianotech@ptg.org</a><br>
<b>Subject:</b> hello and ? re weird bright yellow fuzz on pressure
bar<br>
<br>
</font></div>
<br>
Hi everyone!<br>
<br>
Been an associate member for a while, I work as a tuner/technician
full-time in GA... just usually too busy to keep up with the mailing
list. Was actually once on here, but deleted my email account and can't
find my old password - d'oh! <br>
<br>
Anyway, I just have a really quick question - I've searched the
archives and even google, and no luck. <br>
<br>
For the second time now in the past month, I have come across a spinet
(two separate ones in the past month), with a layer of this weird
almost neon-yellowish-greenish fuzz/dust coating the pressure bars. The
screws for the pressure bars are completely clean and untouched - it
looks like it has to be either some weird chemical reaction, a fungus
or mold (but on plain metal like that - ??) or Idunno - was there ever
a time when pressure bars were coated in some kind of faux suede or
something that would break down? It actually looks almost like
school-issued yellow chalk coating them, but it's an even layer over
the entire bar, and as I said, the screws have none of this stuff on
them. I'm a little concerned because when you just barely touch this
stuff the powder just showers right off of it. I didn't have a mask or
gloves at the time, and I hope I don't have to worry about being
exposed to some kind of poisonous chemical residue resulting from a
reaction between the pressure bars and something in the air. The two
pianos appeared to be different makes - the one today was a Mehler
& Sons (I think - I might be screwing the name up), and the other
was a Mendelssohn spinet, both about 30+ years old. <br>
<br>
Does this sound at all familiar to anyone? In this case, I'd be more
than happy to wind up sounding like a complete newbie dolt who didn't
recognize something completely harmless and common...<br>
<br>
Thanks in advance! <br>
-Holly Quigley<br>
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