[pianotech] key bushing problem

[David Nereson]

What are mortise sizing cauls?  And yes, I have only 3 
thicknesses of cloth.  Didn't know there were any more.
    --D.N.

----- Original Message ----- 
From: "John Formsma" <formsma at gmail.com>
To: <pianotech at ptg.org>
Sent: Tuesday, January 26, 2010 8:30 PM
Subject: Re: [pianotech] key bushing problem


> David, I'd say you need a thicker cloth. However, it sounds as 
> if you have
> only three different sizes. (Thin, medium, and thick. ??) You 
> might need a
> larger variety of thicknesses. Are you using the mortise 
> sizing cauls?
  >