What happens to the air in the pin hole of closed bottom blocks as the pin is driven in? Might not the bottom lamination(s) be loosened by the pneumatic pressure? Albert. On 5/24/07, Ron Nossaman <rnossaman at cox.net> wrote: > > > > Eloquently stated as only you can do!!! > > > > Paul C > > A firm grasp of the obvious has always, though often elusive, > been very valuable to me... > > > <G> > Ron N > -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070525/080d44e7/attachment.html
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