| Digest Nr | Subject and Author |
|---|
 |
| 2025.02.26.03 | Seek Pneumatically Operated Accordion For G-roll, from John Ravert, Sr. |
| 2024.03.10.01 | Seek Pneumatically Operated Accordion For G-roll, from John Ravert, Sr. |
| 2023.05.03.01 | FS: 14-pipe Paper Strip Operated Organ, from James Williams |
| 2022.10.15.01 | FS: 14-pipe Paper Strip Operated Organ, from James Williams |
| 2021.01.29.06 | FS: 20-Note Hand-Turned Roll Operated Organ, New, from Rob Barker |
| 2015.09.21.05 | Seek Electrova Coin Operated Piano Tubing Diagram, from Roger W. Kling |
| 2010.06.30.01 | Coin Operated Piano Prices, from Damon Atchison |
| 2008.12.09.07 | FS: Style A & G Rolls for Coin Operated Pianos, from Ed Gaida |
| 2008.09.29.05 | FS: Style A & G Rolls for Coin Operated Pianos, from Ed Gaida |
| 2007.11.21.02 | MIDI Operated Carillon, from Bruce Newman |
| 2006.09.07.01 | Seek Coin Operated Player Piano Literature, from Don Teach |
| 2006.03.09.03 | Seek Patent Data on Suction Operated Air Motor, from Reid Welch |
| 2005.12.20.01 | Symphonium 30 cm Upright Coin Operated Musical Box, from Jonathan Holmes |
| 2002.01.06.12 | Jenco Keyboard Operated Chrysoglott, from Jon Guy |
| 2002.01.05.08 | Keyboard Operated Xylophone, from Kevin McElhone |
| 2001.02.25.07 | MIDI Operated Harpsichord, from D. L. Bullock |
| 2001.02.22.01 | MIDI Operated Harpsichord, from Phil Dayson |
| 1999.10.26.09 | Pouch Operated Valves - Inside and Out, from Johan Liljencrants |
| 1999.02.26.07 | 1968 Wurlitzer Solenoid Operated Player Piano, from John A. Tuttle |
| 1998.12.06.02 | Polyphon Concerto Disc Operated Piano, from Marty Roenigk |
| 1998.12.06.01 | Polyphon Concerto Disc Operated Piano, from Bill Wineburgh |
| 1998.10.05.17 | MIDI Operated Calliope, from Jon Guy |
| 1998.10.04.11 | Lochman Original #200 Disk Operated Piano, from Walt Kehoe |
| 1998.07.17.13 | Auto-typist Operated the Cash Register, from Ed Gaida |
|
