A Moderated Mechanical Music Discussion Group for Collectors, Technicians, Dealers, and Fans
MMD > Archives > Authors > Ralph Nielsen


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Digest NrSubject
2018.02.19.01 New Spring For Melville Clark Spring Motor
2016.02.07.04 Ampico A Expression Regulator Problem
2015.12.04.07 Speed of Ampico A Pump and Motor
2015.08.28.04 Ampico "A" Air Motor Governor Tempo Slide
2015.07.21.04 Early Duo-Art Grand Plays Poorly After Transport
2015.02.24.03 Sponge Neoprene for Valve Seats
2014.11.17.09 Removing Duo-Art Temponamic Knob Shaft
2014.11.11.06 Regulating the Duo-Art Expression System
2014.04.30.09 Ampico Expression Pneumatics Opening Distance
2013.12.18.01 "The Nutcracker" Played on Ampico & Duo-Art
2013.11.20.07 Electric Motor Suspension for Steamboat Pump
2013.09.19.08 Rebuilding a Duo-Art Steamboat Pump
2013.09.18.08 Duo-Art Accordion Pneumatics Suction Supply
2013.07.07.06 Copyright Warning at YouTube
2013.01.09.05 Keyboard Touch Weight of Duo-Art Grand Piano
2012.11.15.03 FS: Restored 1920 Steinway XR in No. Virginia
2012.10.08.01 Duo-Art Concerto Roll Coding
2012.06.21.06 Disassembling a Duo-Art Rotary Pump
2012.06.11.06 Ampico A Grand Tempo Control Problem
2012.04.12.10 Cracked Plate in Aeolian Sting II Pianola
2012.03.27.03 Calibrating a Player Piano Tempo Indicator
2012.03.04.10 Replacement Motor for Duo-Art "Steamboat" Pump
2012.02.20.06 Seek Lyrics for "Whisper a Lovely Melody" by Milne
2012.02.13.01 Steinway Duo-Art Mechanism Variations
2011.12.01.06 Quiet Playing of a Steinway Grand Duo-Art
2011.11.17.07 Building a Pneumatic One-way Valve for Duo-Art
2011.03.13.05 Hide Glue vs. Silicone for Rebuilding a Pianola
2011.03.10.08 Hide Glue vs. Silicone for Rebuilding a Pianola
2011.02.25.04 Duo-Art Won't Play Chords Softly
2011.02.24.04 Duo-Art Won't Play Chords Softly
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