<<Maybe those old builders knew more about things like inertia than we give them credit for.>> Considering that they weren't hanging 13g hammers at the end of the shank, they probably didn't need to know much. If dick hester could weigh the keyfront (ala Stanwood) before and after that would reveal how much of a correction is avaiable by shaving the underside of the key front. Bill Ballard RPT "May you work on interesting pianos." NH Chapter, PTG Ancient Chinese Proverb
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