This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Hello List, Is there a mathematical formula to determine pin sizes based upon their thickness...and visa versa??? I am studying for the written part of the PTG exam and take it on Monday. Thank you. Brian Doepke doepkeb@comcast.net ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/4e/f1/f5/52/attachment.htm ---------------------- multipart/alternative attachment--
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