| Digest Nr | Subject and Author |
|---|
 |
| 2016.07.10.01 | Seek Duo-Art Soft Pedal Shifter Lever, from Robert Stout |
| 2016.06.18.03 | Seek Duo-Art Soft Pedal Shifter Lever, from Robert Stout |
| 2014.03.07.03 | Welte Expression Shifter Switch Diagram, from John Grant |
| 2014.03.06.02 | Seek Welte Expression Shifter Switch Diagram, from Stephen Kent Goodman |
| 2013.11.18.04 | Duo-Art Keybed Shifter Pneumatic Connection, from Howard Goldberg |
| 2011.07.23.12 | Seek Cast Iron Action Shifter for Steinway Duo-Art, from Don Teach |
| 2010.02.23.14 | Duo-Art Keybed Shifter & Hammer Rail Lifter, from Pat DeWitt |
|
