| Digest Nr | Subject and Author |
|---|
 |
| 2013.02.26.12 | Seek Reproduco External Pipes and Windchest, from Troy Taylor |
| 2010.03.26.05 | Seek External Pump for Reproducing Grand Piano, from Tony Marsico |
| 2009.04.07.04 | Marks on Simplex External Valve Face, from Skip Downing |
| 2008.08.24.03 | Use External Microphone for Video Camera, from Michael Woolf |
| 2007.11.19.03 | Need External Vacuum Supply for Duo-Art, from Jon Page |
| 2003.03.03.03 | Concert Roller Organ With External Relief Valve, from Marvin Polan |
| 2003.03.02.01 | Concert Roller Organ With External Relief Valve, from Todd Augsburger |
| 2001.02.12.04 | History of External Piano Player Devices, from Dan Wilson, London |
| 2000.01.28.10 | External Pumps & Central Vacuum Supply, from Bruce Clark |
| 2000.01.27.14 | External Pump for Dynavoice, from Tom Lear |
| 1999.05.23.18 | External MIDI Clock Using Hublies Loopback Program, from Andy Taylor |
| 1999.05.20.11 | External MIDI Clock Generator, from John Wale |
| 1999.05.15.07 | Seek External MIDI Clock Generator, from Andy Taylor |
| 1998.05.14.04 | External Blower for Reed Organ, from Berley Firmin |
| 1998.05.13.17 | External Air Pump for Reed Organ, from Jeffrey Scott |
|
