MMD Archives April 2001 Contents of Digest 2001.04.18 Prev  Next Nr Subject Author 01 Welte Cinema Organ at Potsdam Film Museum Gerhard Dangel 02 Seek Gulbransen Action for Weber & Sons Piano Bing Gibbs 03 Valve Facings From PPCo Roger Waring 04 Duo-Art Expression Box Adjustments Paul Camps 05 American and British Duo-Art Systems Julian Dyer 06 American and British Duo-Art Systems Craig Brougher 07 Duo-Art Minimum Pressures Craig Brougher