Verdigris

pianoman pianoman@inlink.com
Fri, 13 Feb 1998 06:40:46 -0600


Hi Norm,	Are you referring to the larger plastic-like teflon bushing?
James Grebe
R.P.T. of the P.T.G. from St. Louis
pianoman@inlink.com
"Success is not a goal, rather it is a way of life".

----------
> From: Norm Barrett <barre46@ibm.net>
> To: pianotech@ptg.org
> Subject: Re: Verdigris
> Date: Thursday, February 12, 1998 11:59 PM
> 
> This sounds like a good question. It also sounds like a lot of trouble.
Another
> solution to this problem has been in the back of my mind for a long time.
It
> seems to me that it would be easier to accomplish than Susan's suggestion
and
> certainly more certain. Knock out the old bushings and replace them with
the
> teflon bushings. Has anyone ever tried this? I cannot see how the
verdigris would
> ever come back using this method. The labor involved is complicated by
having to
> remove enough of the birdseye to make room for the teflon bushing but
this should
> be a permanent solution.
> 
> 
> Susan Kline wrote:
> 
> > Since the problem arises from sulfuric acid, is there some way to get
the
> > whole flange and cloth and rail areas more basic? Some little trick
with
> > baking soda in water and alcohol, for instance? (The alcohol to cut
through
> > the paraffin...)
> >
> > If rebushing, for instance, could one wash the cloth thoroughly to
remove
> > any sulfuric acid mordant, and then rinse in a baking soda solution?
Has
> > anyone ever tried this?
> >
> 
> 


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