>...It is my understanding that the green gunk >comes from a reaction between the center pin and the felt. What is on the rail >is just an "overflow" of that stuff. In other words, it wasn't "created >there". So if you clean it, it will not come back, or reproduce on its own. > >Willem Blees RPT >St. Louis If I read your explanation correctly, Wim, I'm afraid I can't swallow it. The verdigris has to be a reaction of the brass rail itself and the rail cloth that covers it. There's no way that much verdigris creeped (overflowed) from the hammer flange center pin and bushing cloth to the rail. Willing to be corrected by anyone, Keith A. McGavern kam544@ionet.net Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA
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