String coupling.

[Ron Nossaman]

>A while back I posted some observations in tuning a full octave in the 5/6
>range. These test were done on newly strung pianos and well maintained
>concert grands.
>I would be interested in your observations using the same measurement
>technique.
>Regards Roger
>Roger Jolly


Hi Roger,
I'll try it and get back to you. 
 
Ron N