This is a multi-part message in MIME format. ---------------------- multipart/mixed attachment > >The only significant improvement in the geometry of > >the intermediate lever was made by Herrburger of Paris about 1900 > >and was adopted by very few makers. > > Where is there an illustration of this action? Does anybody have a > jpeg to post to the list? JD? We have a Gildemeester & Kroeger grand with a Herrburger action, either pn/424202 and pn/520989 (1890, 1894); ccl/84/239 (not very helpful!). Someone removed the crow feets and stuck tall dowel capstans pushing onto the slotted wippen heels, now covered with cloth - very far off le Magic Line but in the recess phase, friction's not remarkable. I've included the first drawing from the first patent. Clark ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: us424202a.GIF Type: image/gif Size: 8853 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/e3/7a/a5/1d/us424202a.GIF ---------------------- multipart/mixed attachment--
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