This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Hi everybody, I wonder what kind of device you use for levelling keys. I use the aluminium yamaha straight edge which is very handy and = practical. But I've noticed that it is not as straight as it was when new. It has warped a little since I bought it. So I'm considering in buying a new one. Or is there a way to accurately make one that will harldy warp or loose = its "straightness"? A guy I know who went to the Yamaha Academy in Japan told me that they = were selling another type of straight edge there. It consists of a wooden core, and two plexiglas bars glued to the wooden = core (making sort of a "wood & plexi" sandwich). And then it is calibrated with a machine so it is straight. Maybe there is a way to build the same edge with good accuracy. Thanks, Quentin ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/0a/2f/16/a1/attachment.htm ---------------------- multipart/alternative attachment--
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