| Digest Nr | Subject and Author |
|---|
 |
| 2018.10.07.01 | Facing Our Responsibilities In the 21st Century, from Mark Singleton |
| 2011.06.14.06 | Leather Valve Facing Against Metal Valve Seat, from Art Reblitz |
| 2011.06.13.03 | Leather Valve Facing Against Metal Valve Seat, from Tim Gautreaux |
| 2011.03.02.02 | Source of Sponge Rubber for Valve Facing Material, from John Meadows |
| 2011.03.01.04 | Source of Sponge Rubber for Valve Facing Material, from Spencer Chase |
| 2011.02.28.02 | Sponge Neoprene is Original Valve Facing Material, from Bill Maguire |
| 2011.02.25.03 | Valve Facing Material, from Don Teach |
| 2011.02.24.05 | Valve Facing Material for Newer Aeolian Player, from Bill Maguire |
| 2001.06.28.05 | Gluing Leather Valve Facing, from Hans van Oost |
| 2001.06.27.04 | Gluing Leather Valve Facing, from Barry Dennis |
| 2001.06.25.06 | Gasket Material & Gluing Leather Valve Facing, from Bob Taylor |
| 2001.06.24.10 | Gluing Leather Valve Facing, from Albert de Boer |
| 2000.05.07.05 | Aeolian Orchestrelle Valve Facing Material, from Martin Anderson |
| 2000.03.08.05 | Gluing Leather Valve Facing, from Roger Waring |
|
