Steingraeber factory pictures, bridge agraffes & adjustable vertical hitchpins

[Calin Tantareanu]

Richard,

I don't mean only that experiment described on my website (although that one
is actually relevant even to bridge agraffes, but not from a stiffness point
of view).

Calin Tantareanu
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> -----Original Message-----
> From: pianotech-bounces at ptg.org 
> [mailto:pianotech-bounces at ptg.org] On Behalf Of Ric Brekne
> Sent: joi, 4 mai 2006 03:16
> To: pianotech at ptg.org
> Subject: Steingraeber factory pictures,bridge agraffes & 
> adjustable vertical hitchpins
> 
> Hi Calin
> 
> I almost included this in my last post, but seemed to 
> remember upon my initial reading of your experiement that it 
> did not really bear on the agraffe discussion. I just had 
> another gander at your experiement and dont see the direct 
> connection.  Your experiment deals with the duplex and 
> counterbearing angle questions and its conclusions agree (not
> suprisingly)  perfectly with Ed McMorrows  "de-tuned" duplex 
> idea published some 15 years ago now I think.