This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment To the list There are very good articles and discussions about the position of the = jack under the knuckle in a grand, but there is no discussion about the = position of the jack under the hammer butt in a upright piano. I would like to know the correct thickness of the butt felt that must be = applied in a piano. I think that "medium" and "thin" isn't good. I thanks to all Rogerio Cunha IC Member of the Piano Technicians Guild Rio de Janeiro - Brazil ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/d5/50/ea/77/attachment.htm ---------------------- multipart/alternative attachment--
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