| Digest Nr | Subject and Author |
 |
| 1998.03.26.11 | Wurlitzer Variable-Speed Roll Mechanism, from Fritz Gellerman |
| 1998.03.24.28 | Material for Variable-Speed Disk Drive, from Richard Vance |
| 1998.03.23.13 | Wurlitzer Variable-Speed Roll Mechanism, from Gary Stevenson |
| 1998.03.21.22 | Wurlitzer Variable-Speed Roll Mechanism, from Matthew Caulfield |
| 1998.03.20.05 | Wurlitzer Variable-Speed Roll Mechanism, from Fritz Gellerman |
| 1998.02.10.08 | Variable-Speed Music Media, from Mike Knudsen |
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