| Digest Nr | Subject and Author |
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| 2022.11.08.06 | FS: Motor Player Corp. Turbine Pump from Wurlitzer, from Wayne Lincoln |
| 2020.09.24.05 | Seek Vacuum Regulator for Turbine Pump, from Piotr Barcz |
| 2012.08.10.06 | FS: Motor Player Corp. Turbine Pump, from Bob Stewart |
| 2012.01.17.11 | Economical Vacuum Cleaner Turbine Suction Pump, from John Clear |
| 2010.07.08.07 | Reducing Turbine Suction Pump Noise, from Spencer Chase |
| 2010.07.08.06 | Reducing Turbine Suction Pump Noise, from Alan Wallace |
| 2010.07.07.05 | Reducing Turbine Suction Pump Noise, from Eric Bergstrom |
| 2010.07.06.04 | Reducing Turbine Suction Pump Noise, from Spencer Chase |
| 2010.07.05.06 | Reducing Turbine Suction Pump Noise, from John Taber |
| 2010.07.05.05 | Reducing Turbine Suction Pump Noise, from John A. Tuttle |
| 2010.07.04.02 | Reducing Turbine Suction Pump Noise, from Jon Page |
| 2010.07.03.06 | Reducing Turbine Suction Pump Noise, from Matthew Parvash |
| 2009.03.19.05 | Reducing Turbine Suction Pump Noise, from Will Herzog |
| 2009.03.19.04 | Reducing Turbine Suction Pump Noise, from Michael Woolf |
| 2009.03.19.03 | Reducing Turbine Suction Pump Noise, from Eliyahu Shahar |
| 2009.03.18.06 | Reducing Turbine Suction Pump Noise, from Dick Merchant |
| 2009.02.26.04 | Motora Turbine Suction Pump in Duo-Art, from Niels Berkers |
| 2008.07.07.03 | Seek Turbine Blower for Band Organ, from Bob Stewart |
| 2007.12.04.05 | Motora Turbine Suction Pump, from Mike Knudsen |
| 2007.12.03.08 | Motor Player Corp. Turbine Pump in Recordo, from John Phillips |
| 2007.12.03.07 | Motora Turbine Suction Pump, from Paddy Handscombe |
| 2007.12.02.07 | Motora Turbine Suction Pump is Junk, from James Black |
| 2007.12.01.07 | Motora Turbine Suction Pump is Junk, from Spencer Chase |
| 2007.11.30.05 | Motora Turbine Suction Pump in Duo-Art, from Paul Camps |
| 2007.11.29.04 | Motora Turbine Suction Pump in Duo-Art, from Niels Berkers |
| 2005.03.14.04 | Turbine Pump Lubrication & Bearings, from David Sharpe |
| 2005.03.10.03 | Turbine Pump Lubrication & Bearings, from Spencer Chase |
| 2005.03.09.15 | Turbine Pump Lubrication, from David Sharpe |
| 2005.02.04.03 | Arielle, Electora & Motora Turbine Pumps, from Paddy Handscombe |
| 2005.02.02.05 | Rootes Blower vs. Turbine for Calliope, from Bruce Miller |
| 2005.01.30.09 | Arielle Turbine Pump in Duo-Art Piano, from John Johns |
| 2004.01.28.05 | Motor Player Corp. Turbine Pump, from John Phillips |
| 2004.01.25.13 | Motor Player Corp. Turbine Pump, from Brian Butler |
| 2004.01.24.05 | Motor Player Corp. Turbine Pump, from Spencer Chase |
| 2004.01.23.07 | Motor Player Corp. Turbine Pump, from Roy Ulrich |
| 2003.08.10.04 | Asbestos in Player Piano Suction Turbine, from David Winkelblech |
| 2003.06.07.11 | Seek Recordo Turbine Pump Parts, from Spencer Chase |
| 2003.06.06.06 | Seek Welte "Original" Turbine Pump Parts, from Spencer Chase |
| 2002.12.07.09 | Asbestos in Player Piano Suction Turbine, from Mark Kinsler |
| 2002.12.06.08 | Asbestos in Player Piano Suction Turbine, from Paul Anderson |
| 2002.12.02.08 | Asbestos in Player Piano Suction Turbine, from Colin MacKinnon |
| 2002.12.01.07 | Asbestos in Player Piano Suction Turbine, from Mark Kinsler |
| 2002.11.30.05 | Asbestos in Player Piano Suction Turbine, from Al Pebworth |
| 2002.10.02.11 | Turbine Blower Noise, from John A. Tuttle |
| 2002.09.28.12 | Turbine Blowers vs. Bellows Pumps, from Ingmar Krause |
| 2002.08.11.10 | Rebuilding Motor Player Corp. Turbine Pump, from Spencer Chase |
| 2002.03.27.10 | Turbine Suction Pumps, from Spencer Chase |
| 2000.11.28.06 | Rebuilding Turbine Suction Pumps, from Terry Smythe |
| 2000.11.27.09 | Rebuilding Turbine Suction Pumps, from Ed Chaban |
| 2000.09.07.05 | Motora Turbine Suction Pump, from Patrick Boeckstijns |
| 2000.08.22.09 | Motora Turbine Suction Pump, from Patrick Boeckstijns |
| 2000.04.20.07 | Turbine Pump for Duo-Art, from Spencer Chase |
| 2000.04.19.07 | Turbine Pump for Duo-Art, from Steve Greatrex |
| 2000.01.17.11 | Reducing Turbine Noise in Dynavoice Keytop Player, from Tom Lear |
| 1999.08.31.19 | Spencer Turbine Blower, from Ray Cardogno |
| 1999.08.30.11 | Spencer Turbine Blower, from Richard Schneider |
| 1999.02.24.13 | Rewind Solutions for Electric Turbine Kits, from John Rutoskey |
| 1999.02.23.10 | Rewind Solutions for Electric Turbine Kits, from Andy Taylor |
| 1999.02.23.09 | Rewind Solutions for Electric Turbine Kits, from Craig Brougher |
| 1998.11.09.19 | Turbine Muffler Design, from Larry Mayo |
| 1998.11.05.07 | Overheating Turbine Motor, from Hal Davis |
| 1998.11.04.09 | Overheating Turbine Motor, from Bill Masterman |
| 1998.11.04.08 | Overheating Turbine Motor, from Al Pebworth |
| 1998.11.04.07 | Overheating Turbine Motor, from Joel Hoshaw |
| 1998.11.03.10 | Overheating Nickelodeon Turbine, from Larry Mayo |
| 1998.10.23.07 | Turbine vs. Roots Blower for Air Calliope, from Rob Goodale |
| 1998.08.09.10 | PowerRoll & Turbine Pump Problems, from Andy Taylor |
| 1998.04.29.17 | Spencer Turbine Company, from Julian Burke |
| 1998.04.27.06 | Spencer Turbine Co. Vacuum Cleaning Systems, from Karl Ellison |
| 1997.11.13.14 | Muffler for Turbine Box, from Larry Mayo |
| 1997.10.14.15 | Welte Turbine Vacuum Pump, from John A. Tuttle |
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