| Digest Nr | Subject and Author |
 |
| 2018.03.14.04 | 1930 Ampico B "Subdue" Modifying Switch, from Mike Nicholls |
| 2014.06.17.10 | Seek Ampico Loud-Normal-Soft Modifying Switch, from Roger Angell |
| 2006.07.02.04 | Modifying Seeburg L Tubing Connections, from Jeffrey R. Wood |
| 2006.07.01.04 | Modifying Seeburg L Tubing Connections, from David Sharpe |
| 2006.03.27.19 | Modifying Ampico Grand for MIDI Control, from Bob Loesch |
| 2006.03.25.02 | Modifying Ampico Grand for MIDI Control, from John McClure |
| 2002.08.20.09 | Modifying Lester Player Action Valves, from Bill Maguire |
| 2002.08.18.08 | Modifying Lester Player Action Valves, from Randy Blake |
| 2002.02.26.08 | Modifying Windows File Type Associations, from Phil Dayson |
| 2002.02.22.12 | Modifying Windows File Type Associations, from John Rhodes |
| 2002.02.22.11 | Modifying Windows File Type Associations, from John Page, UK |
| 2002.02.22.10 | Modifying Windows File Type Associations, from Claus Kucher |
| 2002.02.22.09 | Modifying Windows Startup Programs, from Dave Hall |
| 2001.11.18.10 | Modifying a Grand Piano for a Player System, from D. L. Bullock |
| 2001.11.17.03 | Modifying a Grand Piano for a Player System, from Philip Jamison |
| 2001.11.15.05 | Modifying Grand Piano for Player System, from Bruce Clark |
| 1999.01.07.14 | Modifying An Accordion For Automatic Playing, from John Kleinbauer |
| 1999.01.06.13 | Modifying An Accordion For Automatic Playing, from John McClure |
| 1998.07.15.11 | Modifying Letter Punches for Stencil-cutting, from Matthew Caulfield |
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