| Digest Nr | Subject and Author |
|---|
 |
| 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 |
|
Mechanical
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