| Digest Nr | Subject and Author |
|---|
 |
| 2020.11.14.02 | ArtEcho, Art Echo, Art-Echo & Apollo Rolls, from Mike Perry |
| 2020.11.08.02 | ArtEcho, Art Echo, Art-Echo & Apollo Rolls, from Rich Schommer |
| 2013.02.10.09 | Art-Echo Rolls, from Lyle Merithew |
| 2013.02.09.10 | Seek Art-Echo Rolls, from Bob Loesch |
| 2013.02.08.03 | Seek Art-Echo Rolls, from John Struve |
| 2013.02.04.05 | Seek Art-Echo Rolls, from Dave Krall |
| 2011.04.11.03 | Art-Echo Apollo Rollography, from Rich Schommer |
| 2011.04.08.03 | Rythmodik, QRS Autograph & Art-Echo Apollo Catalogs, from Andrew Barrett |
| 2011.04.08.02 | Art-Echo Apollo Rollography, from Ken Long |
| 2011.04.07.02 | Art-Echo Apollo Rollography, from Rich Schommer |
| 2011.04.06.05 | Art-Echo Apollo Rollography, from John McClelland |
| 2011.04.06.04 | Art-Echo Apollo Rollography, from Kyle Irwin |
| 2011.04.06.03 | Art-Echo Apollo Rollography, from Phil Bordeleau |
| 2011.04.05.04 | Art-Echo Apollo Rollography, from Bob Loesch |
| 2011.04.04.03 | Art-Echo Apollo Rollography, from Jason Balcom |
| 2005.08.08.05 | FS: Art-Echo Apollo Reproducing Roll Collection, from Mark Reinhart |
| 2005.05.12.05 | FS: Apollo ( Art-Echo) Reproducing Rolls, from Bruce Mercer |
| 2002.07.11.01 | Music Sources of Art-Echo & Recordo Rolls, from Albert Petrak |
| 1999.05.22.02 | Trademarks Art Echo, Artecho, Art-Echo, from Tom Steuer |
| 1999.05.21.08 | Converting Art-Echo Instrument To Play Ampico Rolls, from Dean Randall |
| 1999.05.21.07 | Artecho, Art-Echo, Art Echo, from Dean Randall |
| 1999.05.21.06 | Artecho, Art-Echo, Art Echo, from Mark Reinhart |
| 1999.05.20.15 | Seek Evidence of Artecho, Art-Echo & Art Echo, from Robbie Rhodes |
| 1999.05.20.14 | Converting Art-Echo Instrument To Play Ampico Rolls, from Craig Brougher |
| 1999.05.20.13 | Art-Echo Rolls Aren't Similar to Ampico, from Dean Randall |
| 1999.05.19.06 | Apollo Art-Echo Rolls Similar to Ampico Rolls, from Michael Swanson |
| 1999.03.17.10 | Seek Art-Echo and Angelus-Artrio Rolls, from Damon Atchison |
| 1998.07.26.04 | Art-Echo Recording Studio, from Dave Krall |
| 1997.08.08.09 | Adjusting the Apollo Art-Echo, from Craig Brougher |
| 1997.08.07.14 | Seek Test Roll for Art-Echo, from Darrell Clarke |
| 1997.07.21.15 | Beale Art-Echo, from Darrell Clarke |
|
