| Digest Nr | Subject and Author |
|---|
 |
| 2018.03.14.04 | 1930 Ampico B " Subdue" Modifying Switch, from Mike Nicholls |
| 2013.02.10.11 | Early Ampico "B" Subdue Switch, from John Grant |
| 2013.02.09.13 | Ampico B Subdue Switch, from David Greene |
| 2009.03.20.08 | Ampico A Subdue Regulation, from Bruce Clark |
| 2009.03.19.08 | Ampico A Subdue Regulation, from Pat DeWitt |
| 2008.07.25.04 | Ampico B Subdue Switch, from Spencer Chase |
| 2004.08.28.09 | Seek Ampico B First Intensity Adjuster with Subdue, from Andy Raymond |
| 2004.05.10.08 | Seek Tubing Diagram of Ampico B with Subdue, from Clarence Zeches |
|
