MMD Archives April 1997 Contents of Digest 1997.04.19 Prev  Next Nr Subject Author 01 Gem Roller Organ Cobs Todd Augsburger 02 Gebrueder Bruder Bill Ryan 03 Keys for Mechanical Organ Keyframe Tim Blyth 04 Dutch Street Organ Pipes Jan Kijlstra 05 Gavioli's Harmonic Brake: The Gavioli Frein Jan Kijlstra 06 Miniature Electric Valve Data Karl Ellison 07 Transcribing Rolls to Disklavier Files Tom Steuer 08 Seek Duo-Art Parts Larry Lobel