| Digest Nr | Subject and Author |
 |
| 2015.05.19.05 | FS Free: Wurlitzer Pump & Spencer Orgoblo, from Stan Rhine |
| 2011.01.19.03 | FS Free: Spencer Orgoblo Blowers, from Bob Loesch |
| 2004.07.22.03 | Spencer Orgoblo Jr. Organ Blower Maintenance, from Stephen Kent Goodman |
| 2000.07.26.14 | Orgoblo Organ Blower Motor, from Randy |
| 2000.07.19.11 | Orgoblo Organ Blower Motor, from Randy |
| 2000.07.17.06 | Orgoblo Organ Blower Motor, from Richard Vance |
| 2000.07.16.04 | Dismantling Orgoblo Pipe Organ Blower, from Randy |
| 2000.07.11.12 | Dismantling Orgoblo Pipe Organ Blower, from Randy |
| 2000.07.10.13 | Dismantling Orgoblo Pipe Organ Blower, from Russ Doering |
| 2000.07.09.13 | Dismantling Orgoblo Pipe Organ Blower, from Randy |
 |