Found it: http://www.freepatentsonline.com/2509063.pdf Subject: Re: [pianotech] key leveling system On the same topic, I remember a key leveling system designed by Alfred H. Howe that was detailed in his book. I don't have a copy but I wonder if Jack Wyatt might have some info from the museum? Tom Driscoll -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100309/797c7f0f/attachment.htm>
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