MMD Archives July 2012 Contents of Digest 2012.07.31 Prev  Next Nr Subject Author 01 Market Value of Mechanical Music Instruments Ken Marts 02 Suction Box Speed Control Problem Diane deTar 03 Ampico Transmission Frame & Rubber Motor Mounts Don Teach 04 "Around the Action" Duo-Art Grand Tubing Diagram John A. Tuttle