<HTML style="FONT-SIZE: x-small; FONT-FAMILY: MS Sans Serif"><HEAD> <META http-equiv=Content-Type content="text/html; charset=windows-1251"> <META content="MSHTML 6.00.2800.1226" name=GENERATOR></HEAD> <BODY> <P> <DIV>Hello there,</DIV> <DIV>I am working on restoring a Mason & Hamlin vertical c. 1904 that has a secondary jack return spring that resists on the catcher felt.  I am having trouble regulating this so the butt checks properly without a mushy feeling in the fingertip.  Does anyone have experience with this?   </DIV> <DIV> </DIV> <DIV> </DIV> <DIV>Joel Wiencek</DIV> <DIV><A href="mailto:jwpiano@earthlink.net">jwpiano@earthlink.net</A></DIV> <DIV>551 358 4006</DIV> <DIV> </DIV> <P></P></BODY></HTML>