| Digest Nr | Subject and Author |
|---|
 |
| 2011.06.19.04 | Portable "Dis-Player" Piano, from Rich Ingram |
| 2008.05.12.04 | Portable Amplifier for Music Box Demonstrations, from Tom Sendall |
| 2008.05.05.01 | Portable Amplifier for Music Box Demonstrations, from Mike Knudsen |
| 2008.05.02.01 | Portable Amplifier for Music Box Demonstrations, from Ingmar Krause |
| 2008.04.30.01 | Portable Amplifier for Music Box Demonstrations, from Marvin Polan |
| 2008.04.28.06 | Portable Amplifier for Music Box Demonstrations, from Nicholas Simons |
| 2008.04.28.05 | Portable Amplifier for Music Box Demonstrations, from David Evans |
| 2008.04.28.04 | Portable Amplifier for Music Box Demonstrations, from Jim Katz |
| 2008.04.28.03 | Portable Amplifier for Music Box Demonstrations, from Larry Norman |
| 2008.04.27.02 | Portable Amplifier for Music Box Demonstrations, from Jody Kravitz |
| 2008.04.27.01 | Portable Amplifier for Music Box Demonstrations, from Tom Sendall |
| 2007.04.17.01 | Seek Information on Portable Street Piano, from Larry Hall |
| 2003.03.29.01 | Claes Friberg " Portable Hand-Cranked Barrel Organ", from Eduardo Leiva Herrera |
| 2002.07.01.05 | Melodeon Portable Reed Organ Pedal Covering, from Reg Smith |
| 2001.07.24.07 | "Noble" Portable Electric Chord Organ, from Les Kinney |
| 2001.07.07.02 | Thorens Portable Gramophone, from graphicpro@aol.com |
| 2001.02.28.01 | Portable Reed Organs by A. L. White and Others, from Fritz Gellerman |
| 1998.09.13.15 | QRS Playola Portable Player, from Will Dahlgren |
|
