| Digest Nr | Subject and Author |
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| 2025.06.26.03 | Seek Information On T-100 Red Welte Upright Piano, from David Krall |
| 2025.04.27.01 | FS: Mason & Hamlin Welte Mignon T-100, from John McClelland |
| 2025.04.18.01 | T-100 Welte-Mignon Autograph Piano of 1917, from John McClelland |
| 2025.04.16.02 | FS Free: T-100 Welte Mignon Upright Reproducer, from Stacey A. Bowers |
| 2020.10.30.01 | Early T-100 Welte-Mignon Dual Sustain Pedal Speeds, from Jim Miller |
| 2020.10.23.03 | Early T-100 Welte-Mignon Dual Sustain Pedal Speeds, from Jim Miller |
| 2018.10.13.05 | FS: Welte T-100 and Ampico "B" Parts, from Jim Miller |
| 2018.06.18.02 | Source of T-100 Red Welte Piano Rolls, from Tom Jansen |
| 2018.06.16.05 | Seek T-100 Red Welte Piano Rolls, from Bruce Welch |
| 2018.06.15.06 | Seek T-100 Red Welte Piano Rolls in UK, from Kevin McElhone |
| 2015.02.17.02 | Rebuilding Welte T-100 Vorsetzer Valves, from Andy Struble |
| 2014.05.02.08 | Seek Parts for Welte-Mignon T-100 Vorsetzer, from James Davis |
| 2013.07.11.08 | Seek T-100 Red Welte Tracker Bar, from Stephen Kent Goodman |
| 2013.03.06.02 | Seek Roll Motor for Upright Welte-Mignon T-100, from John A. Tuttle |
| 2012.06.11.10 | FS: Ibach Welte Red T-100 Reproducing Piano, from Andre Maiwald |
| 2012.01.13.03 | Welte-Mignon T-100 "Red" Test Roll, from Dave Krall |
| 2011.07.13.02 | Rebuilding T-100 Red Welte Player System, from Douglas Heffer |
| 2011.07.11.05 | Rebuilding T-100 Red Welte Player System, from Dave Krall |
| 2009.10.31.06 | The Welte T-100 Recording Story, from Jim Crank |
| 2007.11.10.03 | Rebuilding Welte-Mignon T-100 Vorsetzer, from Randolph Herr |
| 2006.11.14.11 | Repairing T-100 Red Welte-Mignon Upright, from Eliyahu Shahar |
| 2006.05.17.05 | T-100 Red Welte Mason & Hamlin Pianos, from Bob Hodge |
| 2006.05.16.03 | Seek T-100 Red Welte Mason & Hamlin Pianos, from Vincent Morgan |
| 2006.03.21.09 | T-100 Red Welte Roll Cabinets, from Mark Reinhart |
| 2006.01.07.06 | FS: Steinway "O" ex-Welte T-100, from Andy Struble |
| 2005.08.29.09 | Rebuilding Welte T-100 Crescendo Pneumatic, from Eliyahu Shahar |
| 2005.07.26.09 | FS: Welte-Mignon T-100 Red Roll Collection, from Jim Miller |
| 2005.06.05.08 | Welte T-100 Rolls For Trade, from Eliyahu Shahar |
| 2005.05.17.06 | Is A Welte T-100 So Heavy?, from Eliyahu Shahar |
| 2005.05.17.05 | Is A Welte T-100 So Heavy?, from Larry Norman |
| 2005.05.16.10 | Is A Welte T-100 So Heavy?, from Bob Hodge |
| 2005.05.16.09 | Is A Welte T-100 So Heavy?, from John Dewey |
| 2005.05.15.02 | Is A Welte T-100 So Heavy?, from Eliyahu Shahar |
| 2004.08.05.03 | Seek T-100 Welte Rolls by Rachmaninoff & Reger, from Oliver Hilmes |
| 2004.07.31.08 | Seek Rolls for Welte Brisgovia & T-100 Welte-Mignon, from Mark Reinhart |
| 2004.05.26.08 | FS: Feurich T-100 Red Welte Upright, from Robert Hough |
| 2003.12.17.06 | Seek Welte-Mignon T-100 Red Rolls, from Andre Maiwald |
| 2003.10.09.13 | Converting T-98 Welte to Play T-100 "Red" Rolls, from Grahame Code |
| 2003.10.08.16 | Converting T-98 Welte to Play T-100 "Red" Rolls, from Eliyahu Shahar |
| 2003.10.08.15 | Converting T-98 Welte to Play T-100 "Red" Rolls, from Eric Shoemaker |
| 2003.10.08.14 | Converting T-98 Welte to Play T-100 "Red" Rolls, from D. L. Bullock |
| 2003.10.07.08 | Converting T-98 Welte to Play T-100 "Red" Rolls, from David Evans |
| 2003.10.06.04 | Converting T-98 Welte to Play T-100 "Red" Rolls, from Robbie Rhodes |
| 2003.10.06.03 | Converting T-98 Welte to Play T-100 "Red" Rolls, from Jonathan Holmes |
| 2003.10.05.03 | Converting T-98 Welte to Play T-100 "Red" Rolls, from Grahame Code |
| 2003.09.11.09 | Welte-Mignon T-100 Recording System Technology, from Dan Wilson, London |
| 2003.09.10.04 | Welte-Mignon T-100 Recording System Technology, from Dave Saul |
| 2003.08.16.07 | FS: Welte-Mignon T-100 Vorsetzer in UK, from Jonathan Holmes |
| 2003.05.08.07 | Regulating the Welte-Mignon T-100 System, from Jim Crank |
| 2003.02.08.09 | Hole Diameter of T-100 Red Welte Music Roll, from Bob Billings |
| 2002.08.04.04 | Seek T-100 Welte-Mignon Test Roll, from James Senior |
| 2002.07.08.08 | T-100 Red Welte Rolls Recut by Thomas Jansen, from Jonathan Holmes |
| 2002.07.02.03 | Welte-Mignon T-100 Recording System, from Craig Brougher |
| 2002.05.16.06 | Seek T-100 Red Welte Vorsetzer, from Robert Senior |
| 2002.05.13.07 | Seek Parts for T-100 Red Welte Action, from Grahame Code |
| 2002.04.16.03 | Seek T-100 Red Paper Welte-Mignon Cabinet Piano, from Mark Reinhart |
| 2001.12.07.10 | FS: Recut T-100 Red Welte Rolls, from Tom Jansen |
| 2001.04.07.13 | Seek Tracker Bar for Welte-Mignon T-100 Scale, from Albert Petrak |
| 2000.09.19.02 | Piano Regulation Keyboard for Keyless Red Welte T-100, from Jonathan Holmes |
| 2000.09.17.02 | Welte T-100 Test Roll With Graduated Holes, from Pete Knobloch |
| 2000.09.10.05 | T-100 Test Rolls, from John McClelland |
| 2000.09.07.06 | Welte T-100 Test Roll With Graduated Holes, from Mike Kitner |
| 2000.09.05.05 | Welte T-100 Test Roll With Graduated Holes, from Pete Knobloch |
| 2000.09.03.09 | Welte T-100 Test Roll With Graduated Holes, from John McClelland |
| 2000.07.30.06 | Playing Welte T-100 Rolls on Other Instruments, from John McClelland |
| 2000.07.28.04 | Playing Welte T-100 Rolls on Other Instruments, from Grahame Code |
| 2000.04.02.10 | Welte T-100 Red Rolls, from Jonathan Holmes |
| 2000.04.01.15 | Seek Welte T-100 Test Roll, from Ken Slow |
| 2000.02.09.11 | Welte-Mignon T-100 Recording System Technology, from Gerhard Dangel |
| 2000.02.09.10 | Welte-Mignon T-100 Recording System Technology, from Richard Simonton, Jr. |
| 2000.02.07.11 | Welte-Mignon T-100 Recording System Technology, from Mike Kukral |
| 2000.02.07.10 | Welte-Mignon T-100 Recording System Technology, from Jim Crank |
| 2000.02.06.11 | Welte-Mignon T-100 Recording System Technology, from Craig Brougher |
| 2000.02.05.11 | Welte-Mignon T-100 Recording System Technology, from Mike Knudsen |
| 2000.02.04.07 | Welte-Mignon T-100 Recording System Technology, from Dick Merchant |
| 2000.02.02.08 | Welte-Mignon T-100 Recording System Technology, from Craig Brougher |
| 2000.02.02.07 | Welte-Mignon T-100 Recording System Technology, from Mark Kinsler |
| 2000.01.31.04 | Welte-Mignon T-100 Recording System Technology, from Karl Petersen |
| 2000.01.29.15 | Welte-Mignon T-100 Recording System Technology, from Mike Knudsen |
| 2000.01.29.14 | Welte-Mignon T-100 Recording System Technology, from Craig Brougher |
| 2000.01.29.13 | Welte-Mignon T-100 Recording System Technology, from Richard Simonton, Jr. |
| 2000.01.28.14 | Welte-Mignon T-100 Recording System Technology, from Mike Knudsen |
| 2000.01.27.21 | Welte-Mignon T-100 Recording System, from Mark Reinhart |
| 2000.01.25.08 | Seek Welte-Mignon T-100 Master Rolls, from Albert Petrak |
| 1999.08.03.06 | Seek Rolls for Welte-Mignon T-100, from Richard A. Cardwell |
| 1998.08.18.15 | PowerRoll for T-100 Welte Vorsetzer, from Larry Broadmoore |
| 1998.08.18.13 | Playing Welte Licensee Rolls on T-100 Vorsetzer, from John McClelland |
| 1998.08.18.12 | Playing Welte Licensee Rolls on T-100 Vorsetzer, from Mark Reinhart |
| 1998.03.31.29 | Seek Welte-Mignon T-100 'Red' Rolls, from Mark Reinhart |
| 1997.12.08.12 | Dimensions of Welte-Mignon T-100 Rolls, from Wayne Stahnke |
| 1995.07.26.02 | Re: Welte T-100 test roll, from Stacey Bowers |
| 1995.07.15.01 | Re: Welte T-100 Test Rolls (digest 950714), from Robbie Rhodes |
| 1995.07.14.02 | Re: Welte T-100 Test Rolls, from Zoltán Jánosy |
| 1995.07.13.03 | Welte T-100 Test Rolls, from Robbie Rhodes |
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