| Digest Nr | Subject and Author |
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| 2025.06.21.01 | Treating Brittle Music Roll Paper, from Robert Linnstaedt |
| 2025.06.19.03 | Treating Brittle Music Roll Paper, from Julian Dyer |
| 2025.06.19.02 | Treating Brittle Music Roll Paper, from Richard Cole |
| 2025.06.13.01 | Treating Brittle Music Roll Paper, from Ralph J Schultz |
| 2019.05.18.02 | Treating Corrosion On Brass Tracker Bar Nipples, from Steven Reed |
| 2019.05.16.05 | Treating Corrosion On Brass Tracker Bar Nipples, from Gordon Ramsey |
| 2017.04.03.06 | Treating Motor Cloth on Pneumatics, from Bill Maguire |
| 2017.04.01.04 | Treating Motor Cloth on Pneumatics, from Scotty Greene |
| 2014.02.04.08 | Treating Low Humidity Problems, from Jeffrey R. Wood |
| 2014.02.04.07 | Treating Low Humidity Problems, from Bruce Clark |
| 2014.02.04.06 | Treating Low Humidity Problems, from Bill Chapman |
| 2014.02.02.04 | Treating Low Humidity Problems, from David Schroeder |
| 2013.12.29.04 | Silicone Grease for Treating Pouches, from Tim Gautreaux |
| 2013.12.29.03 | Treating Leather in Player Pianos, from Thomas Binnall |
| 2013.12.27.05 | Silicone Grease for Treating Pouches, from Tim Gautreaux |
| 2013.12.26.04 | Silicone Grease for Treating Pouches, from John A. Tuttle |
| 2011.03.09.03 | Assessing & Treating Smoke Damage, from Spencer Chase |
| 2010.05.17.02 | Treating Piano Rolls That Wander, from John Taber |
| 2007.04.29.04 | Treating New Oak Wood to Appear Aged, from Tim LaGanke |
| 2005.09.29.06 | Treating Leather Pouches, from Tom DeLay |
| 2004.07.12.05 | Treating Brittle Music Roll Paper: Cycloexylamine, from Kim Bunker |
| 2004.07.11.10 | Treating Brittle Music Roll Paper, from Kim Bunker |
| 2004.07.10.07 | Treating Brittle Music Roll Paper, from Bob Billings |
| 2003.10.06.06 | Treating New Metal Screws to Appear Old, from Larry Wilson |
| 2003.10.05.08 | Treating New Metal Screws to Appear Old, from David Evans |
| 2003.10.05.07 | Treating New Metal Screws to Appear Old, from Craig Smith |
| 2003.10.05.06 | Treating New Metal Screws to Appear Old, from Glen R. Perye Jr. |
| 2003.10.05.05 | Treating New Metal Screws to Appear Old, from Hal O'Rourke |
| 2003.10.05.04 | Treating New Metal Screws to Appear Old, from John Dewey |
| 2003.10.04.06 | Treating New Metal Screws to Appear Old, from Larry Wilson |
| 1998.08.20.13 | Treating Musty Rolls, from Hal Davis |
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