| Digest Nr | Subject and Author |
 |
| 2025.07.27.01 | Seek Used Set of Aeolian Plastic Unit Valves, from Dan Holstein |
| 2024.03.13.02 | Vacuum Unit For Reproduco Unified Theatre Organ, from Dennis Steckley |
| 2024.03.09.01 | Seek Vacuum Unit For Reproduco Unified Theatre Organ, from Jack M. Conway |
| 2024.01.25.02 | Making Wurlitzer Unit Valves, from Wallace Venable |
| 2024.01.24.03 | Making Wurlitzer Unit Valves, from Jeff Kunkel |
| 2023.12.02.02 | Seek Reproduco or Coinola Unit Pneumatics, from Benjamin Haass |
| 2023.04.02.03 | Doyle Lane Plastic Unit Valve Idea Booklet, from Jim Marke |
| 2023.03.17.02 | Spinet Ampico A With Single Crescendo Unit, from Eli Shahar |
| 2023.01.31.02 | Aeolian Clear Plastic Unit Valves, from Ben Roth |
| 2023.01.28.04 | Ampico 'B' Unit Valve Ball Bleeds, from John A. Tuttle |
| 2022.09.06.01 | Wurlitzer Unit Valve Passages, from Steve Muscato |
| 2022.08.20.01 | Seek Wood Button for Wurlitzer 4-in-1 Unit Valve, from Julie Porter |
| 2022.08.13.01 | Seek Wood Button for Wurlitzer 4-in-1 Unit Valve, from Harold Ulmer |
| 2022.01.06.01 | Seek Ampico B Unit Valves, from Robert Stout |
| 2021.12.20.02 | Seek Dynavoice or Electrone Keytop Player Unit, from Luke Myers |
| 2021.06.28.03 | Seek Simplex Unit Pneumatics, from Bruce Stevens |
| 2021.06.27.02 | Seek Foot Pump Unit for Standard Player Action, from John Acton |
| 2021.04.23.03 | Amphion Upside-down Unit Valves, from Jeff Bridges |
| 2021.04.20.02 | Seek Early Amphion Upside-down Unit Valves, from Bill Chapman |
| 2021.04.16.01 | Seek Early Amphion Upside-down Unit Valves, from Andrew Thomson |
| 2021.03.24.03 | Pipe Organ Player Unit, from Dennis Steckley |
| 2021.03.22.02 | FS: Pipe Organ Player Unit, from Dwayne Stagg |
| 2021.03.20.03 | Seek Amphion Upside-down Unit Valves, from Kermit Hobbs |
| 2021.03.14.03 | Ampico Unit Valve Calibrating Machine Patent, from John Grant |
| 2021.03.12.05 | Ampico Unit Valve Calibrating Machine, from Gordon Stelter |
| 2021.03.11.03 | Ampico Unit Valve Calibrating Machine Patent, from John Grant |
| 2021.03.09.01 | Seek Ampico Unit Valve Calibrating Machine Patent, from John Grant |
| 2020.12.26.03 | Making Wurlitzer Unit Valves, from Don Teach |
| 2020.07.23.05 | FS: Pipe Organ Roll Player Unit, from Dwayne Stagg |
| 2020.05.22.01 | Seek Roesler-Hunholz Pipe Organ Player Unit, from Gary Shipe |
| 2020.01.21.04 | Seek Bell Unit For a Wurlitzer CX, from John Ravert, Sr. |
| 2019.06.24.01 | Seek Roesler-Hunholz Pipe Organ Player Unit, from Gary Shipe |
| 2019.05.16.06 | FS Free: PPCo Simplex Unit Pneumatic Tester, from Ed Chaban |
| 2019.03.22.05 | FS: Pipe Organ Player Unit, from Keith Gramlich |
| 2019.03.21.04 | FS: Pipe Organ Player Unit, from Dwayne Stagg |
| 2019.03.09.03 | PianoDisc Solenoid Player Unit Sold, from Philip Jamison |
| 2019.03.06.01 | FS: PianoDisc Solenoid Player Unit, from Philip Jamison |
| 2018.07.24.10 | Piano in Storage Unit in Eau Claire, Wisconsin, from Don Teach |
| 2018.07.23.05 | Piano in Storage Unit in Eau Claire, Wisconsin, from David Banker |
| 2018.07.21.04 | Piano in Storage Unit in Eau Claire, Wisconsin, from Paul Kealy |
| 2018.07.21.03 | Piano in Storage Unit in Eau Claire, Wisconsin, from David Dewey |
| 2018.07.20.03 | Piano in Storage Unit in Eau Claire, Wisconsin, from Marc Sachnoff |
| 2018.04.14.02 | Seek Lock & Cancel Valve Unit, from Kermit Hobbs |
| 2018.04.04.05 | Seek Replacement Unit Valves For Wurlitzer AX, from David O'Connor |
| 2018.03.13.04 | FS: Welte Grand Player Unit, Complete, from Allen Velthoen |
| 2018.03.03.03 | Seek Doyle Lane Reproduction Unit Valves, from Bruce Pier |
| 2018.03.01.05 | Seek Doyle Lane Reproduction Unit Valves, from Warren Officer |
| 2018.01.11.03 | "Simple" Trick for Simplex and other Unit Pneum, from Luke Myers |
| 2018.01.02.06 | Converting Simplex Unit to Normal Pneumatic, from Luke Myers |
| 2018.01.01.07 | Converting Simplex Unit to Normal Pneumatic, from David Dewey |
| 2017.12.31.07 | Converting Simplex Unit to Normal Pneumatic, from Luke Myers |
| 2017.12.29.03 | Duo-Art Expression Unit Worm Gear & Shaft, from John Grant |
| 2017.12.28.03 | Seek Simplex Unit Pneumatics, from Luke Myers |
| 2017.12.26.03 | Seek Duo-Art Expression Unit Worm Gear & Shaft, from Mark Washek |
| 2017.05.29.05 | Seek QRS Pianomation 2000CD+ CD Player Unit, from Luke Lindblom |
| 2017.03.13.03 | Seek Expression Unit for Upright Welte Licensee, from David Oppenheim |
| 2016.12.01.04 | Seek Cork Gaskets for Ampico Late "A" Unit Valves, from Mike Walter |
| 2016.08.09.02 | Seek Amphion Upside-down Unit Valves, from David Opppenheim |
| 2016.07.31.03 | Seek Amphion Unit Valve Blocks, from Jason Jackson |
| 2016.07.28.03 | Seek Doyle Lane Plastic Band Organ Unit Valves, from Larry Kern |
| 2016.05.07.06 | FS: Model B Lower Unit for Hupfeld Phonoliszt, from Tim Johnson |
| 2016.04.15.06 | FS Free: Gulbransen Unit Pneumatics, from Eric Bergstrom |
| 2016.03.14.07 | Yamaha MX100A Control Unit Upgrade, from Jon Page |
| 2016.01.03.01 | Seek Lower Unit for R. S. Howard Player Piano, from Tom Plank |
| 2015.10.16.02 | FS: Ampico B Unit Valves & Pumps, from Gary Hanson |
| 2015.09.06.02 | Seek Lower Unit for J. Bauer & Co. Player Piano, from James J. White |
| 2015.08.20.07 | FS: A-Roll Remote Electric Player Unit, from Matthew Dow |
| 2014.09.03.04 | FS: Ampico B Unit Valve Block Springs, from John A. Tuttle |
| 2014.08.14.07 | Ampico B Unit Valve Block Springs, from John A. Tuttle |
| 2014.08.07.03 | Ampico B Unit Valve Block Springs, from John A. Tuttle |
| 2014.07.04.02 | Supplier of Wurlitzer Unit Valves, from Matthew Caulfield |
| 2014.07.03.02 | Seek Supplier of Wurlitzer Unit Valves, from Steve Bentley |
| 2014.02.16.04 | Seek MC-1 Pianocorder MIDI Adapter Unit, from Michael Pedersen |
| 2013.10.08.08 | Hobart M. Cable Player Unit Problem, from Don Teach |
| 2013.10.07.03 | Hobart M. Cable Player Unit Problem, from Nevin Engle |
| 2013.09.16.06 | Wurlitzer Transmission Unit Valve Problem, from Dale F. Rowe |
| 2013.09.16.05 | Wurlitzer Transmission Unit Valve Problem, from Ken Vinen |
| 2013.09.15.02 | Wurlitzer Transmission Unit Valve Problem, from Mark Weyna |
| 2013.06.25.07 | FS: New Wurlitzer Unit Valves, from Robert Loeffler |
| 2013.06.15.03 | Seek Ampico Model B Pedal Regulator Unit, from Mike Walter |
| 2013.05.10.04 | FS: Tremolo Unit from Reproduco Piano-organ, from Bill Chapman |
| 2013.05.04.03 | Seek Multiplex Unit for O-roll Orchestrion, from Jeff Bridges |
| 2013.02.18.07 | Ampico Unit Valve Design, from Gordon Stelter |
| 2012.08.28.05 | Seek Ampico Model B Pedal Regulator Unit, from Mike Walter |
| 2012.08.16.03 | Roesler-Hunholz Pipe Organ Player Unit, from Craig Williams |
| 2012.08.15.01 | Seek Roesler-Hunholz Pipe Organ Player Unit, from Gary Shipe |
| 2012.07.24.04 | Ampico "A" Unit Valve Variant Discovered, from John Grant |
| 2012.04.19.06 | Ball Bleeds in Ampico B Unit Valves, from John A. Tuttle |
| 2012.01.30.07 | FS: Set of 83 Ampico B Ball Unit Valves, from Gary Hanson |
| 2011.05.09.08 | Seek 22-note Bell Unit for Wurlitzer Band Organ, from Matthew Caulfield |
| 2011.05.03.08 | FS: Valve Caps for Wurlitzer Unit Valves, from Robert Leber |
| 2011.02.06.08 | FS: Aeolian Unit Valves & Pianomation Solenoids, from Mark Pichla |
| 2011.01.07.04 | Seek Pneumatic Unit Valves, from Bernt Damm |
| 2011.01.06.03 | Sealing Amphion Unit Valves With PVC-E, from Bill Maguire |
| 2011.01.05.03 | Seek Pneumatic Unit Valves by Doyle Lane, from Jim Marke |
| 2010.09.29.12 | FS: Wurlitzer Style 125 Spools & Unit Valves, from Ken Vinen |
| 2010.09.19.05 | Seek Schematic for Ruth 16-bell Unit, from Ed Serowik |
| 2010.06.17.03 | Player Piano Suction Unit, from Erik York |
| 2010.06.06.09 | Suction Unit Plays Piano Too Loudly, from Andy Taylor |
| 2010.06.06.08 | Suction Unit Plays Piano Too Loudly, from Eric Bergstrom |
| 2010.06.05.04 | Suction Unit Plays Piano Too Loudly, from Richard Moody |
| 2010.05.27.03 | Seek Player Piano Suction Unit, from Erik York |
| 2010.04.16.09 | Seek Source of Aeolian Plastic Unit Valves, from Jeff Bridges |
| 2010.03.23.06 | FS: Lot of Simplex Unit Valves, from David Saleh |
| 2010.03.01.08 | FS: Simplex Unit Pneumatic Parts, from David Saleh |
| 2010.02.14.06 | FS: Gulbransen Pump Unit, from David Saleh |
| 2009.08.18.04 | Making Wurlitzer Unit Valves, from Robert Loeffler |
| 2009.06.15.06 | Wurlitzer APP Rewind With 4-in-1 Unit Valve, from Julie Porter |
| 2009.06.14.06 | Wurlitzer Die-cast 4-in-1 Unit Valve Blocks, from John A. Tuttle |
| 2009.06.14.05 | Wurlitzer APP Rewind With 4-in-1 Unit Valve, from Martin Anderson |
| 2009.06.12.05 | Making Wurlitzer Unit Valves, from Don Teach |
| 2009.05.04.02 | Value of Marantz Pianocorder Unit, from nora@ |
| 2009.03.29.07 | Ampico Unit Valve Seats, from Bruce Clark |
| 2009.03.27.05 | Ampico B Unit Valve Seats, from Bob Stewart |
| 2009.03.20.09 | Ampico B Unit Valves, from Bob Stewart |
| 2009.03.09.06 | Hold-down Springs for Ampico Unit Valves, from Bruce Clark |
| 2008.10.27.13 | Seek Wurlitzer Die-cast 4-in-1 Unit Valve Blocks, from Howard Jensen |
| 2008.10.22.07 | Wurlitzer Unit Valve Blocks, from Dave Geissinger |
| 2008.10.21.06 | Wurlitzer Die-cast 4-in-1 Unit Valve, from Larry Emmons |
| 2008.10.20.05 | Wurlitzer Die-cast 4-in-1 Unit Valve, from Doug Hershberger |
| 2008.10.15.01 | Seek Unit Valves for Tangley Player Calliope, from Stan Harrison |
| 2008.10.12.03 | Seek Unit Valves for Tangley Player Calliope, from Stan Harrison |
| 2008.05.18.04 | Rebuilding Duo-Art Expression Unit, from John Phillips |
| 2008.04.16.06 | Rebuilding Duo-Art Expression Unit Valves, from Paddy Handscombe |
| 2008.04.15.06 | Rebuilding Duo-Art Expression Unit Valves, from John Phillips |
| 2007.11.11.14 | Seek Seeburg "L" 3-position Loudness Control Unit, from Brad Hunter |
| 2007.10.09.10 | Seek Ampico B Unit Valves & Pneumatics, from Kim Bunker |
| 2007.09.23.10 | Adjustment of Unit Block Valves, from Robert Loeffler |
| 2007.09.22.06 | Adjustment of Unit Block Valves, from Doug Hershberger |
| 2007.09.07.03 | FS: Wurlitzer Unit Valve Parts, from Alan Erb |
| 2007.09.01.05 | Making Wurlitzer Unit Valve Blocks, from Matthew Caulfield |
| 2007.09.01.04 | Making Wurlitzer Unit Valve Blocks, from Don Teach |
| 2007.09.01.03 | Making Wurlitzer Unit Valve Blocks, from Robert Loeffler |
| 2007.08.31.08 | Making Wurlitzer Unit Valve Blocks, from Howard Jensen |
| 2007.07.20.05 | Source of Wurlitzer Unit Valve Blocks, from Robbie Rhodes |
| 2007.07.17.06 | Source of Wurlitzer Unit Valve Blocks, from Damian Mayes |
| 2007.05.29.03 | Source of Aeolian Plastic Unit Valves, from Deane Wiley |
| 2007.05.09.04 | Double Bellows Roll Tracking Unit, from Maury Willyard |
| 2007.05.03.07 | Seek Double Bellows Roll Tracking Unit, from Maury Willyard |
| 2007.04.22.05 | Seek Ampico B Ball Bleed Unit Valves, from Bruce Clark |
| 2007.04.17.04 | Seek Ampico B Ball Bleed Unit Valves, from Bruce Clark |
| 2007.04.03.04 | Seek Ampico B Ball Unit Valves, from David Goodwin |
| 2007.03.20.07 | Replacement Ampico Unit Valves, from Bruce Clark |
| 2007.02.17.11 | Seek Late Ampico 'A' Expression Unit & Motor, from Bob Taylor |
| 2007.02.17.06 | Making Wurlitzer Unit Valves, from Bob Humes |
| 2007.02.04.10 | Valve Spring in Ampico Crescendo Unit, from Bill Chapman |
| 2007.01.23.09 | Making Wurlitzer 105 Unit Valves, from Don Teach |
| 2007.01.22.07 | Rebuilding Unit Valves, from A. B. Bonds |
| 2007.01.22.06 | Rebuilding Unit Valves, from Bob Hunt |
| 2007.01.21.06 | Making Wurlitzer 105 Unit Valves, from John Haass |
| 2007.01.19.10 | Rebuilding Unit Valves, from Pat DeWitt |
| 2007.01.13.08 | Seek Wurlitzer 105 Unit Valves, from Nigel Perry |
| 2006.10.11.04 | Ampico-A Unit Valve Blocks Needed, from Rob Buckingham |
| 2006.09.23.06 | Seek Coinola Unit Valve Blocks, from Stephen Kent Goodman |
| 2006.06.18.09 | FS: Half Duo-Art Unit from George Steck Piano, from Tim Johnson |
| 2006.06.17.06 | FS: Themodist Unit from George Steck Piano, from Tim Johnson |
| 2006.02.22.03 | Humidity Variation Loosens Unit Valves, from Debbie Legg |
| 2005.12.21.14 | Grease Found in Cecilian Expression Unit, from Mike McCoy |
| 2005.12.05.10 | Aeolian Plastic Unit Valves, from D. L. Bullock |
| 2005.12.05.09 | Aeolian Plastic Unit Valves, from Don Teach |
| 2005.09.27.04 | Model A Ampico Unit Valves & Leaks, from D. L. Bullock |
| 2005.09.25.07 | Model A Ampico Unit Valves & Leaks, from Bruce Clark |
| 2005.08.29.10 | Seek Pianocorder Superscan Unit, from Tom Lear |
| 2005.08.17.05 | Roll Player Unit on Yamaha Electone Organ, from Ryan Meldahl |
| 2005.04.11.08 | Testing a Themodist Expression Unit, from Malcolm Cole |
| 2005.03.30.10 | Seek Hofbauer Mikrobox to MIDI Conversion Unit, from Dale Gunnar |
| 2005.02.01.11 | Seek Broadmoore PowerRoll Unit, from Philip Kaiser |
| 2005.01.17.02 | Rebuilding Pianola with Plastic Unit Valves, from D. L. Bullock |
| 2005.01.16.05 | Rebuilding Pianola with Plastic Unit Valves, from Joel Cluskey |
| 2004.12.31.05 | Hammond BA Player Organ Reverberation Unit, from Don Teach |
| 2004.12.31.04 | Hammond BA Player Organ Reverberation Unit, from Mark Kinsler |
| 2004.12.30.10 | Hammond BA Player Organ Reverberation Unit, from Jim Heyworth |
| 2004.12.29.08 | Hammond BA Player Organ Reverberation Unit, from Daniel D. Tenerowicz |
| 2004.10.31.07 | Mounting Kimball Plastic Unit Valves, from John A. Tuttle |
| 2004.10.21.05 | Source of Aeolian Plastic Unit Valves, from Arthur Marino |
| 2004.10.18.05 | Wurlitzer Unit Valves, from Dale Gunnar |
| 2004.09.24.05 | Source of Wurlitzer Unit Valves of Wood, from Don Teach |
| 2004.09.23.05 | Seek Wurlitzer Unit Valves of Wood, from Larry Hall |
| 2004.09.08.03 | FS: Organ Player Unit, Possibly Kilgen, from Dwayne Stagg |
| 2004.07.28.06 | Dynavoice Keytop Player Striker Unit Mounting, from Mike Knudsen |
| 2004.01.27.04 | Seek Rebuildable Plastic Unit Valves, from Ken Rosen |
| 2003.12.04.06 | Power Unit for Mr. Christmas Merry Go Round, from Vincent Morgan |
| 2003.12.03.12 | Seek Power Unit for Mr. Christmas Merry Go Round, from Doug Anderson |
| 2003.09.25.08 | Seek Disk Drive for Yamaha PPC10R Control Unit, from Mario Anzaldua |
| 2003.09.06.03 | Seek Wurlitzer 105 Unit Valves, from Peter Frodemo |
| 2003.07.30.13 | Seek Wurlitzer Unit Valves, from Benjamin Haass |
| 2003.06.04.17 | Yamaha UX16 USB to MIDI Interface Unit, from Bill Klinger |
| 2003.05.30.08 | Value of "Telectric" Brass Roll Reader Unit, from Frank LaConte |
| 2003.04.27.03 | Seek Rolls for Smith Unit Organ Player, from Terry Klazer |
| 2003.04.26.04 | Seek Rolls for Smith Unit Organ Player, from Allen Moe |
| 2003.04.06.08 | Ampico "A" Wind-Chest Spill Unit Valve Blocks, from Bob Taylor |
| 2003.04.06.07 | Ampico "A" Wind-Chest Spill Unit Valve Blocks, from Ed Gaida |
| 2003.04.06.06 | Ampico "A" Wind-Chest Spill Unit Valve Blocks, from Bruce Clark |
| 2003.04.06.05 | Ampico "A" Wind-Chest Spill Unit Valve Blocks, from D. L. Bullock |
| 2003.03.24.08 | Plastic Unit Valves from Mike Kitner's Estate, from Julie Porter |
| 2003.03.05.09 | Quiet Suction Unit For Reed Organ, from Richard Vance |
| 2003.03.05.08 | Quiet Suction Unit For Reed Organ, from Allen Moe |
| 2003.03.05.07 | Quiet Suction Unit For Reed Organ, from Fritz Gellerman |
| 2003.03.04.11 | Seek Quiet Suction Unit For Reed Organ, from Herbert Huestis |
| 2003.03.03.09 | Source of Aeolian Plastic Unit Valves, from Denis Wilkinson |
| 2003.02.25.11 | Two Sizes of Ampico B Unit Valves, from Brian Thornton |
| 2003.02.22.03 | Two Sizes of Ampico B Unit Valves, from Bob Stewart |
| 2003.01.15.07 | Seek Ampico Unit Valve Retaining Nuts, from Bob Stewart |
| 2002.10.28.05 | Ampico B Unit Valve Blocks, from Bob Stewart |
| 2002.10.27.05 | Seek Ampico B Unit Valve Blocks, from Bob Stewart |
| 2002.10.22.08 | FS: Roll Frames & Wurlitzer Unit Valves, from Alan Erb |
| 2002.09.25.02 | Value of Moeller Artiste Player Unit, from Berley Firmin |
| 2002.08.27.07 | Seek Pressure Reserve Unit for Seeburg Celesta, from Stephen Kent Goodman |
| 2002.08.16.08 | Fixture For Testing Ampico B Unit Valves, from A. B. Bonds |
| 2002.05.04.11 | Seek Suction Unit for Reed Organ, from Paul Clawser |
| 2002.02.26.12 | Groaning Noise in Expression Regulator Unit, from Craig Brougher |
| 2002.02.25.11 | Groaning Noise in Expression Regulator Unit, from Craig Brougher |
| 2002.02.24.10 | Groaning Noise in Expression Regulator Unit, from William G. Meyer |
| 2002.01.29.06 | Old Style Inverted Ampico (Amphion) Unit Valves, from Jim Heyworth |
| 2002.01.29.05 | Old Style Inverted Ampico Unit Valves, from James Jelinek |
| 2002.01.28.06 | Old Style Inverted Ampico Unit Valves, from Bruce Clark |
| 2001.06.07.04 | Seek Steiff Upper Unit, from Al Pebworth |
| 2001.06.02.11 | Seek Player Unit for Wilcox & White Symphony, from Charles Barrett |
| 2001.01.16.15 | FS: Roll Player and Suction Unit, from William A. Filler |
| 2000.12.29.04 | Wurlitzer Unit Valve, from Julie Porter |
| 2000.07.06.12 | New Wurlitzer Unit Valves from PPCo, from Don Teach |
| 2000.07.05.09 | Sponge Silicone Unit Valves from PPCo, from John A. Tuttle |
| 2000.07.03.03 | Sponge Neoprene Unit Valves from PPCo, from Brian Thornton |
| 2000.07.01.04 | Sponge Neoprene Unit Valves from PPCo, from Andy Taylor |
| 2000.06.30.07 | Wurlitzer Unit Valves from PPCo, from Dan Armstrong |
| 2000.06.29.06 | Wurlitzer Unit Valves from Player Piano Company, from Don Teach |
| 2000.06.28.08 | Seek Wurlitzer Wooden Unit Valve Blocks, from Dave McNally |
| 2000.04.26.11 | Hickman Ampico B Ball Unit Valve, from Randolph Herr |
| 2000.04.13.09 | Seek Welte Residence Organ Player Unit, from Jim Crank |
| 2000.04.08.11 | New Ampico 'A' Unit Valve Blocks, from John A. Tuttle |
| 2000.02.24.10 | Seek Standard Action Player Bottom Unit, from Al Pebworth |
| 2000.02.23.15 | Seek Seeburg L Credit Unit, from Roger Hughes |
| 2000.01.24.09 | MC2 MIDI-to-Pianocorder Converter Unit, from Grant Leonard |
| 2000.01.19.13 | Rebuilding Pianola With Plastic Unit Valves, from D. L. Bullock |
| 1999.12.28.15 | Granger Electric Suction Unit, from Hal Davis |
| 1999.12.17.08 | FS: H. C. Bay Pump Unit, Rebuilt, from Stephen Kent Goodman |
| 1999.08.04.10 | Testing Simplex Unit Pneumatics, from Craig Brougher |
| 1999.08.03.11 | Testing Simplex Unit Pneumatics, from Bill Maxim |
| 1999.06.09.02 | Identify Dual Spoolbox Unit, from Dick Beery |
| 1999.04.10.15 | FS: Bottom Unit for Malcolm Player Piano, from Dan Wilson, London |
| 1999.04.09.03 | Lower Unit for Aeolian Orchestrelle, from Richard Vance |
| 1999.04.08.16 | "Credit Unit' Accumulator for Coin Piano, from Bill Kibler |
| 1999.04.08.02 | Seek Lower Unit for Aeolian Orchestrelle, from Bob Loesch |
| 1999.02.05.19 | Hammond Reverberation Unit, from Gerhard Dangel |
| 1999.01.13.18 | FS: Ampico A Player Unit for Grand Piano, from Jon Page |
| 1999.01.11.11 | Rebuilding Ampico "B" Unit Valves, from Larry Broadmoore |
| 1999.01.10.12 | Rebuilding Ampico "B" Unit Valves, from Bruce Clark |
| 1999.01.08.12 | Leaks In Ampico Unit Valves, from Bruce Clark |
| 1998.12.27.11 | New Ampico Unit Valves From Bob Lemon, from Jon Page |
| 1998.12.26.10 | Seek New Ampico Unit Valves, from Bruce Clark |
| 1998.10.21.13 | Rebuilding Themodist Control Unit, from Philip Jamison |
| 1998.10.08.02 | Smith Unit Organ Rolls, from Russ Doering |
| 1998.10.04.13 | Smith Unit Organ Rolls, from Allen Moe |
| 1998.08.05.18 | Model B Ampico Loud Pedal Valve Unit, from Tim Johnson |
| 1998.04.17.08 | Yamaha MU-10 MIDI Synth Unit, from Don Cox |
| 1997.12.30.14 | Rebuilding Ampico B Unit Valves, from Bob Taylor |
| 1997.12.29.11 | Sealing Ampico "B" Unit Valves, from Larry Broadmoore |
| 1997.08.07.13 | Seek Ampico A Unit Valves, from Jon Page |
| 1997.04.09.12 | Simplex Unit Pneumatics, from Brett Mohr |
| 1997.04.08.14 | Seek Unit Valves for Wurlitzer 153, from Matthew Caulfield |
| 1997.04.07.14 | Help with Simplex Unit Pneumatics., from Bill Boulton |
| 1997.03.10.24 | FS: Late Ampico A Unit, Complete, from Tom Steuer |
| 1997.02.03.20 | Seek: Simplex Unit Pneumatics, from Debbie Legg |
| 1997.01.29.11 | Suction Unit for Testing, from Fritz Gellerman |
| 1997.01.25.23 | Suction Unit for Testing, from Colin Hinz |
| 1997.01.24.13 | Re: Adding Recordo Unit, from Don Teach |
| 1997.01.09.07 | Wurlitzer Roll Frames and Unit Valves, from Matthew Caulfield |
| 1997.01.03.12 | Ampico B Unit Valves, from Bruce Clark |
| 1996.10.31.04 | MTP-1 MIDI Unit, from John Wale |
| 1996.10.29.08 | MIDI to Parallel Unit, from John Wale |
| 1996.10.28.05 | RE: Help Needed with Stoddard Ampico Unit, from Rob DeLand |
| 1996.10.25.11 | Gulbransen Unit Pneumatics, from John A. Tuttle |
| 1996.10.24.12 | Gulbransen Unit Pneumatics, from Craig Brougher |
| 1996.08.04.04 | Springs for Ampico Unit Valves, from Robbie Rhodes |
| 1995.07.28.04 | Re: Ampico Expression Test Unit, from Terry Smythe |
 |