MMD Archives December 2012 Contents of Digest 2012.12.26 Prev  Next Nr Subject Author 01 Building a Music Roll Perforator David Greene 02 Piano Rolls Are Damaged During Rewind John A. Tuttle 03 Magnet Valves for Player Pianos and Organs David Greene 04 Aeolian "Sting" Player Piano Troubleshooting Rick Hageman 05 Seek Ampico B Rebuilding Guide by David Saul David Greene