MMD Archives August 2009 Contents of Digest 2009.08.27 Prev  Next Nr Subject Author 01 Raffin 31er Scale vs. Carl Frei 20er Scale Wallace Venable 02 Recutting Duo-Art "Die Walkuere" Bruce Grimes 03 Orchestrion Rolls by Johnnys Music Rolls John Mottoros 04 Meaning of QRS (Q.R.S.) John A. Tuttle 05 Meaning of QRS (Q.R.S.) Craig Sedgwick 06 MIDI Interface Source Robert Rusczyk 07 Rebuilding Simplex Player Action Robbie Jacob 08 FS: Player Piano in Denver, Colorado Tawra Kellam