---------------------- multipart/alternative attachment Ron: What you describe is not catenary. For clarification, talk with Chris Robinson who has done several studies of the catenary nature of bridge design (accidental or not). PR-J ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/26/1f/26/a5/attachment.htm ---------------------- multipart/alternative attachment--
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