| Digest Nr | Subject and Author |
|---|
 |
| 2017.12.30.01 | Oiling Instructions For Regina Disc Changers, from Nancy Fratti |
| 2017.12.29.02 | Seek Oiling Instructions For Regina Disc Changers, from Bob Stewart |
| 2012.08.13.01 | Automatic Roll Changers, from Bob Taylor |
| 2012.08.12.02 | Automatic Roll Changers, from Art Reblitz |
| 2005.02.18.08 | Philipps Automatic Roll Changers, from Brian Cuff |
| 2005.02.17.09 | Wurlitzer Automatic Roll Changers, from Art Reblitz |
| 2003.12.03.04 | Wonders of Mechanical Music - Roll Changers, from Bob Taylor |
| 1999.10.01.12 | Old Electric Record Players and Changers, from Chris Kalstone |
| 1999.09.30.20 | Old Electric Record Players and Changers, from Bill Mintz |
|
