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<p class=MsoNormal><span style='color:#1F497D'>Hi Paul.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I care for a 16 mm
diameter and 1.3 mm deep flat hole in the lid. I then put, without glue, a 1
mm thick 4 mm diameter piece of felt, covered by another piece of felt 1 mm
thick and 9 mm diameter, again without glue. Then I cover this with a piece of
nice leather (more like chamois), also 1 mm thick, that I hot hide glue only
at the perimeter, where it will contact the wood in the hole, leaving the
underlayers of felt untouched by the glue. You need quite dense glue for this,
not too liquid. It is important that the leather end up a tiny bit under the
lid surface : they will live longer that way.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Old Bechsteins didn’t
use leather for this, but a special sort of gummy thing, like caoutchouc, aging
quite badly as they end up always very brittle and worn. Not so with leather.
And this set up is very smooth and quiet.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Best regards.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Stéphane Collin.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-US>List members:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>A client wants the original leather buttons
installed on his ebony grand. They are glued into a specially shaped hole
in the lid, etc. Wasn’t there an article in the PTJ about how to
make/replace these bumpers. Some of them were lost in the veneer repair
stages. I usually fill the old holes and use a stem bumper that’s
available through supply houses. But he wants to stay as original as
possible. Right now, all I have is modified spade bits for the
convex and concave profiles to form the holes.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Paul C<o:p></o:p></span></p>
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