| Digest Nr | Subject and Author |
|---|
 |
| 2004.11.23.04 | Maelzel's Panharmonicon Exhibited in America, from Fritz Gellerman |
| 2004.11.20.04 | Maelzel's Panharmonicon, from Art Reblitz |
| 2004.11.18.03 | Maelzel's Panharmonicon, from Mark Kinsler |
| 1998.08.26.10 | Maelzel's Mechanical Chess Player, from Peter Neilson |
| 1998.08.23.15 | Maelzel's Panharmonicon, from Dan Wilson, London |
| 1998.08.20.10 | Maelzel's Panharmonicon, from Rick Inzero |
| 1998.08.15.09 | "Wellington's Victory" & Maelzel's Panharmonicon, from Larry Lobel |
|
