[pianotech] Interesting action on Yamaha YUA

[Keith McGavern]

I definitely see now, Frank. The patent illustrations you sent makes  
it all come into focus. Thanks greatly!

Keith

On Jul 6, 2009, at 2:23 PM, <pianoguru at cox.net> wrote:

> ---- Keith McGavern <kam544 at allegiance.tv> wrote:
>> I think I see now. A very thin wire, Yes?. Thanks.
> No.  It's a mirror-like leaf spring, looks something like a reed  
> organ tine.
> Frank Emerson