bumps in keys

[Greg Newell]

Cameron,
    It's probably recessed leads expanding and showing their ugly heads.
Don't sand them!!!
Greg Newell

Cameron Jacobi wrote:

> Hi,
>
> I have a question for anyone who would care to answer
> - I tuned a piano yesterday - a Sohmer upright, about
> 20 years old - a lot of the keys were sticking - but
> two of them, when I pulled them out - had something
> like wooden blisters at the sides - I don't really
> know how to describe it - it was as though something
> inside the key was trying to make its way to the
> surface - almost like a bubble in the wood - if the
> wood continues to do that, those keys will be rubbing
> the ones next to them.  Does anyone have any idea what
> could cause that, or what should be done about it?
> I'd appreciate any input.
>
> Thanks,
>
> Harriet Lipman
>
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