Cutting rib radii

[Ron Nossaman]

>       But what if it was......  What then?........  The mystery
>     ........the suspense.  Sorry its' a goofy day, & Dennis boys 23 thd
>      B-day
>       Dale
>      
>     I am quite thoroughly sure this does not produce an arc segment, but
>     haven't yet seen anything to indicate that any one crown contour is
>     *inherently superior* to any other. 
>       Ron N

Then everyone who wanted a better instrument and wasn't locked 
into a marketing myth would switch - except of course, those 
who would hang on like grim death to what they were taught to 
believe in spite of it.
Ron N