| Digest Nr | Subject and Author |
|---|
 |
| 2020.02.03.05 | Determining Age Of A Wurlitzer 153, from Matthew Caulfield |
| 2020.02.01.05 | Determining Age Of A Wurlitzer 153, from Scotty Greene |
| 2004.05.25.07 | Determining Pipe Organ Blower Size, from Carl Zwanzig |
| 2004.05.06.05 | Determining the Gamma of a Barrel Organ, from Craig Smith |
| 2002.12.18.19 | Determining Ampico "A" or "B" Music Roll, from Bob Taylor |
| 2002.12.17.04 | Determining Ampico "A" or "B" Music Roll, from Roger Anderson |
| 2002.12.10.08 | Determining Ampico "A" or "B" Music Roll, from Roger Anderson |
| 1998.11.20.11 | Determining the Finish - Varnish or Lacquer?, from Gary Bagley |
| 1998.11.19.12 | Determining the Finish - Varnish or Lacquer?, from John A. Tuttle |
|
