| Digest Nr | Subject and Author |
|---|
 |
| 2016.05.26.06 | Wine Corks as Street Organ Pipe Stoppers, from Bob Loesch |
| 2016.05.26.05 | Wine Corks as Street Organ Pipe Stoppers, from Ted Bowman |
| 2016.05.25.05 | Wine Corks as Street Organ Pipe Stoppers, from Martin Gutzmer |
| 2016.05.24.10 | Loose Stoppers in 20-note Organ Pipes, from Bill Chapman |
| 2004.03.06.05 | Freeing Organ Pipe Tuning Slides and Stoppers, from Robert Linnstaedt |
| 2004.03.01.16 | Freeing Organ Pipe Tuning Slides and Stoppers, from D. L. Bullock |
| 2004.02.29.07 | Freeing Organ Pipe Tuning Slides and Stoppers, from Fritz Gellerman |
| 2001.06.29.02 | Gluing Leather On Pipe Stoppers, from Craig Smith |
| 2001.06.28.04 | Gluing Pipe Stoppers, from John Page, UK |
|
