| Digest Nr | Subject and Author |
|---|
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| 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 |
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