| Digest Nr | Subject and Author |
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| 2017.01.26.06 | FS: Daewoo Sojin Upright Converted Nickelodeon, from Eileen Jacobs |
| 2015.03.14.08 | Music Rolls Converted to MIDI Files, from John J. Breen |
| 2014.03.30.07 | Red Welte Rolls Converted to Licensee, from Allen Ford |
| 2014.03.27.09 | Red Welte Rolls Converted to Licensee, from Bob Taylor |
| 2014.03.26.11 | Red Welte Rolls Converted to Licensee, from Ed Gaida |
| 2012.06.12.01 | "Mr. Christmas" Converted to 30-note Movement, from Nick Vasallo |
| 2003.04.10.07 | Price Paid for Piano Converted to Play "O" Rolls, from Roger Waring |
| 2001.12.23.03 | Orchestrelle Converted to Play 88-note Rolls, from Berley Firmin |
| 2001.11.24.06 | Player Pianos Converted to Play Coinola "O" Rolls, from Don Teach |
| 2000.07.07.12 | FS: Hupfeld Phonola Converted for 88-Note Rolls, from Roger Waring |
| 1999.11.21.02 | Mermod Freres Music Box Converted to Coin-op, from Mike Knudsen |
| 1999.11.19.02 | Mermod Freres Music Box Converted to Coin-Op, from Ed Gaida |
| 1998.12.18.04 | Richter Organ Converted by Carl Frei, from Bjorn Isebaert |
| 1998.06.16.12 | 65-note Player Converted to 88-note, from Chris Mathiesen |
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