| 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 |
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