Great old pianos with fat ribs

[gordon stelter]

That is a perceptive question Terry, but I concur with
Joe. I'll have much closer look, but it was the
juxtaposition and comparison of the consecutive radii
which led me to see these as, indeed, blatantly milled
into an arc.
     Thump


--- Joe Garrett <joegarrett@earthlink.net> wrote:

> Terry asked: " How can you =
> determine that? If the rib is curved, could it still
> not be from panel =
> compression? You may well be correct, but I just
> don't see how one could =
> be so sure.
> 
> Terry,
> It's simple. Use a straight edge. If the rib "face"
> is curved and the "spine" is straight, then the rib
> has a machined "crown". With an olde piano, the
> "spine" may be curved the other way. Still a
> machined-in crown.<G> 
> Joe Garrett, R.P.T.
> Captain, Tool Police
> Squares R I



		
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