| Digest Nr | Subject and Author |
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| 2021.03.17.02 | 1908 Buffalo Convention Piano Roll Specifications, from John Grant |
| 2016.11.11.10 | Band Organ Blower Specifications, from John Haskey |
| 2016.11.08.03 | Band Organ Blower Specifications, from Dave Vincent |
| 2016.02.23.04 | Piano Roll Repair Table Specifications, from Tom Hutchinson |
| 2012.10.07.04 | Reed Brass Specifications, from George Cooper |
| 2012.10.07.03 | Reed Brass Specifications, from William McKeown |
| 2012.10.05.03 | Reed Brass Specifications, from Wallace Venable |
| 2012.10.04.01 | Reed Brass Specifications Needed, from Doug Nixon |
| 2008.07.12.03 | Wurlitzer 146 Pressure Specifications, from Bob Stewart |
| 2008.04.07.06 | Ampico Pump Motor Specifications, from Darryl Zempel |
| 2008.02.21.03 | 1908 Buffalo Convention Piano Roll Specifications, from Julian Dyer |
| 2008.02.20.05 | 1908 Buffalo Convention Piano Roll Specifications, from Gerhard Dangel |
| 2008.02.19.01 | 1908 Buffalo Convention Piano Roll Specifications, from Matthew Caulfield |
| 2008.01.01.06 | Wurlitzer Band Organ Specifications, from Matthew Caulfield |
| 2007.12.31.03 | Wurlitzer Band Organ Specifications, from Bob Loesch |
| 2007.01.30.04 | Quality of Materials & Specifications, from Grant Chapman, NY |
| 2006.11.19.01 | 1908 Buffalo Convention Piano Roll Specifications, from Dave Krall |
| 2004.01.28.04 | Seeburg Style "L" Motor & Pulley Specifications, from Bruce Clark |
| 2003.12.14.04 | Motor & Pulley Specifications for Ampico Upright, from Bob Taylor |
| 2003.12.13.11 | Motor & Pulley Specifications for Ampico Upright, from Robbie Rhodes |
| 2003.12.13.10 | Motor & Pulley Specifications for Ampico Upright, from Pete Knobloch |
| 2003.12.12.08 | Motor & Pulley Specifications for Ampico Upright, from Horacio Asborno |
| 2001.04.25.02 | Magnet Wire Specifications, from Donald Dusenbury |
| 2000.09.07.02 | Band Organ and Dance Organ Specifications, from Tim Rickman |
| 2000.06.22.07 | Duo-Art Pump Belt Specifications, from Jim Moore |
| 1999.09.19.08 | Aeolian Organ Roll Specifications, from Craig Brougher |
| 1999.09.18.04 | Aeolian Organ Roll Specifications, from Richard Vance |
| 1999.09.14.08 | Aeolian Organ Roll Specifications, from Bob Taylor |
| 1998.01.31.06 | Organ Specifications, from Scott Olson |
| 1997.08.05.10 | Tracker Bar Specifications, from Julian Dyer |
| 1997.07.29.08 | Wurlitzer Organ Specifications, from Matthew Caulfield |
| 1997.07.27.09 | Wurlitzer Band Organ Specifications, from Bill Finch |
| 1997.07.26.09 | Tracker Bar Specifications, from Gary Rasmussen |
| 1996.12.21.03 | Re: Wood Pipe Specifications, from Ron Schmuck |
| 1996.12.18.05 | Re: Wood Pipe Specifications, from Matthew Caulfield |
| 1996.12.16.10 | Wood Pipe Specifications, from Rocci Cirone |
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