MMD Archives May 2018 Contents of Digest 2018.05.31 Prev  Next Nr Subject Author 01 Seek Tuning Scale For Triolo Mechanical Zither Don Taig 02 Verdigris On Piano Action Don Teach 03 Imhof & Mukle Orchestrion Christopher Proudfoot 04 Paper For Making Player Piano Rolls Don Teach 05 Gulbransen Stack Cutoff Pneumatic Tubing Problem Luke Lindblom 06 Wurlitzer Roll-changer Instrument Service Needed Kelly Goodman