MMD > Archives > Authors > Douglas Heffer


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Digest NrSubject
2023.05.30.01 Seek T100 Red Welte Piano Rolls
2023.02.05.02 Duo-Art and Ampico Parts in France
2021.11.03.03 FS: Welte-Mignon Remote Pump Parts Kit in France
2021.06.28.04 FS: Wurlitzer Band Organ Building Plans
2021.06.19.01 LM Ericsson Glockenspiel in Stockholm Telemuseum
2020.10.02.03 Hupfeld DEA Vorsetzer on YouTube
2019.12.07.08 Most Responsive Foot-pumped Player Pianos
2019.11.26.01 Lead Tubing For Tracker Bar
2019.10.11.01 Vestal Press Drawings
2019.09.09.03 "The Rite of Spring" Piano Rolls
2019.08.20.02 Original German Motor For Red Welte Piano
2019.08.16.03 Original German Motor For Red Welte Piano
2018.11.06.01 Thin Pneumatic Cloth Alternatives
2018.09.17.01 Mechanical Music in the Movies
2017.04.09.01 Julius Jacobsen and the Welte-Mignon, Part 2
2017.04.06.02 Julius Jacobsen and the Welte-Mignon, Part 1
2016.04.04.06 Instructions for Reproduco Piano-Organ
2016.03.17.02 Mechanical Music in Stockholm, Sweden
2015.08.12.04 No MMD? Gasp!
2013.11.13.04 Russian Player Pianos
2013.10.30.08 Unknown Phonoliszt Tune
2013.06.01.01 Piano Rolls in France
2013.02.17.03 Thread Rolling Machine for Wire Push Rods
2013.01.09.02 Music Rolls for Hupfeld DEA Vorsetzer
2011.07.13.02 Rebuilding T-100 Red Welte Player System
2010.01.28.06 Odeola Action Stack for Grand Player Piano
2005.01.26.15 Seek Mills Violano-Virtuoso with Double Violins
2003.06.11.04 Value of 88-note Push-up Player
2002.02.08.03 Piano Roll Production in France
2002.02.08.02 The Coupleux Brothers and Aeolian of France
2001.12.14.10 Player Piano Materials in France
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