ivory grain

[Paul S. Larudee]

David,

I remember doing something a long time ago that seemed to raise the grain.
Try cleaning the surface with alcohol and see what happens.

Paul S. Larudee, RPT
Richmond, CA

David Love wrote:

> Newton/Farrell:
>
> The wear idea seems to make sense except that the keyboard in question is
> uniformely grainy from top to bottom.  It is unlikely that the keyboard
> would have received uniform playing to accomplish such an effect.  Clearly
> the keytops were made that way. (Farrell:  I am not refering to cupping,
> that is something quite different).  However, the idea that some of the
> rings are softer makes sense and I wonder if the keytops aren't etched to
> break down the softer rings and, in effect, raise the grain.  This also
> suggests that a replacement keytop may not have the same consistency and
> therefore not respond in the same way to a new etch.  Any thoughts???
>
> David Love
>
> >From: nhunt@jagat.com (Newton Hunt)
> >Reply-To: pianotech@ptg.org
> >To: pianotech@ptg.org
> >Subject: Re: ivory grain
> >Date: Fri, 29 Sep 2000 09:47:10 -0400
> >
> > >  I am wondering what the technique for doing this is.
> >
> >Play with it a lot.
> >
> >Raised grain is caused by different rings having softer
> >layers than others and the fingers wear the softer grains
> >than the harder ones.
> >
> >Good ivory comes from healthier elephants and have growth
> >rings of consistent density and hardness.
> >
> >So, find a soft ring ivory and play with it.
> >
> >               Newton
> >
> >
>
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