Soundboard Crown measurement and evaluation

[Ron Nossaman]

>> I heard last night the crown should match exactly the curvature of the
> 
> earth.
> 
> Ah, haven't you heard?  The Earth is flat.
> 
> SB


So's the soundboard, likely. Say, that might work after all. If you 
can't get a 120' diameter Earth, you have to make some conceptual 
adjustments.

Ron N