[pianotech] An alternative to cutting the balance rail punching

John Delacour JD at Pianomaker.co.uk
Thu Feb 11 16:23:23 MST 2010


At 13:59 -0500 11/2/10, David Stanwood wrote:

>I've seen this done on a Clementi piano...  c1812
>
>I still like the veneer method best:
>
>http://server2.goffgrafix.com/~stanwood/RatioShim.htm
>
>least invasive.. most reversible...


Here's a rather blurred picture of the way Lipp made their balance 
rail around 1900.  The slope for the naturals and the channel for the 
sharps both begin just at the front of the pins.


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