Discoloration on underside of pinblock

[Cy Shuster]

Would it then follow that the dark area might be a harder layer of wood, 
which resisted sanding?  That would explain the rippling, possibly...

--Cy--

----- Original Message ----- 
From: "Jon Page" <jonpage@comcast.net>
To: <pianotech@ptg.org>
Sent: Saturday, May 28, 2005 5:27 PM
Subject: Discoloration on underside of pinblock


> My guess would be that it is the result of the laminated block going
> through the planer. If the planer cut through a few laminations the
> dark area is glue or cross-grain oriented wood and the lighter
> area a wood lamination.
> -- 
>
> Regards,
>
> Jon Page
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