[pianotech] high leverage action

Gene Nelson nelsong at intune88.com
Fri Mar 13 19:49:09 PDT 2009





> There was an article on Action Elevations in the PTJ.
> Wippen rail height can be a factor.

***Thanks, I will search for it.

> 
> -- 
> 
> Regards,
> 
> Jon Page
>



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