| Digest Nr | Subject and Author |
 |
| 2023.01.07.02 | Motor Vibration on Seeburg L Nickelodeon, from Mike Walter |
| 2015.05.01.03 | Low Frequency Vibration in Ampico A Grand, from Wade Newton |
| 2015.04.30.04 | Low Frequency Vibration in Ampico A Grand, from John Grant |
| 2015.04.28.05 | Low Frequency Vibration in Ampico A Grand Found, from Joseph Osborne |
| 2015.04.09.03 | Low-frequency Vibration in Ampico A Grand, from Eliyahu Shahar |
| 2015.04.08.06 | Low-frequency Vibration in Ampico A Grand, from John Grant |
| 2015.04.07.05 | Low-frequency Vibration in Ampico A Grand, from Bill Luecht |
| 2015.04.07.04 | Low-frequency Vibration in Ampico A Grand, from Jim Heyworth |
| 2015.04.06.04 | Low-frequency Vibration in Ampico A Grand, from Joseph Osborne |
| 2010.03.15.02 | Reducing Pump Motor Vibration, from Jeffrey R. Wood |
| 2010.03.14.04 | Reducing Pump Motor Vibration, from Randy Hammond |
 |