compression vs rib crowning

[Ron Nossaman]

>I can't speak for most of them--but Andre Bolduc feels very strongly that a
>duplicate board is *just that*. If you wish to redesign and send him
>"specs" I'm sure he would be pleased to make a rib crowned board for
>you--or if the piano had such a board in the first place he would "dupe" it.


How do you suppose he can tell what the crowning method originally was on 
an old board, and the original crown height at each rib? I sure can't.


Ron N