MMD Archives March 2019 Contents of Digest 2019.03.04 Prev  Next Nr Subject Author 01 Seek Articles About Arranging Mechanical Music Glenn Thomas 02 Seek Optical Roll Scanning System John Kelsey 03 Seek Power Switch For Duo-Art Upright Kermit Hobbs 04 Cardboard Tube For Cremona Take-up Spool Pat DeWitt 05 Chickering Ampico A Grand Plays Too Softly Bruce Scott