| Digest Nr | Subject and Author |
|---|
 |
| 2023.10.18.03 | FS: Magnehelic Air Gauge and Magnetic Valves, from Al Good |
| 2017.07.17.05 | Value Of Mills Magnetic Expression Piano, from Guy Forstrom |
| 2003.01.25.06 | Mills Magnetic Expression Piano, from Dan Kevorkian |
| 2002.05.08.04 | Clarence Hickman and Magnetic Recording, from Craig Brougher |
| 2002.05.07.13 | Paper Music Media vs. Magnetic Music Media, from Lee Munsick |
| 2002.05.06.11 | Paper Music Media vs. Magnetic Music Media, from John A. Tuttle |
| 2002.05.05.07 | Paper Music Media vs. Magnetic Music Media, from Bob Baker |
| 2000.07.25.06 | Les Paul and Magnetic Tape Recording, from Jim Cook |
| 2000.07.21.04 | Les Paul and Magnetic Tape Recording, from Mickey Sadler |
| 2000.05.22.03 | Seek Musical Symbols for Magnetic Marker Board, from Colette Quinlan |
| 1999.09.26.10 | Rotating Heads for Magnetic Recording, from Allan Merralls |
| 1999.09.26.09 | Rotating Heads for Magnetic Recording, from Marc Kaufman |
| 1999.09.26.08 | Rotating Heads for Magnetic Recording, from Will Herzog |
| 1999.09.21.09 | Rotating Heads for Magnetic Recordings, from Johan Liljencrants |
| 1999.09.21.08 | Rotating Heads for Magnetic Recordings, from Jeffrey Borinsky |
| 1999.09.21.07 | Rotating Heads for Magnetic Recordings, from Marc Kaufman |
| 1999.09.16.04 | Magnetic Recordings, from Jeffrey Borinsky |
| 1999.09.13.03 | Magnetic Recordings, from Allan Merralls |
| 1999.09.12.07 | Magnetic Recordings During World War II, from John Ward |
| 1999.09.08.11 | Magnetic Recordings During World War II, from Michael Woolf |
| 1999.09.07.08 | Magnetic Recordings During WW2, from Hal Davis |
| 1999.09.06.06 | Clarence Hickman and Magnetic Recording, from Robbie Rhodes |
| 1999.07.23.05 | Clarence Hickman #2 - The Magnetic Tape Recorder, from James L. Brady |
| 1999.02.03.08 | Magnetic Reed Switch for Roll Reader, from Craig Brougher |
| 1999.02.02.09 | Magnetic Reed Switch for Roll Reader, from D. L. Bullock |
| 1999.01.30.21 | Magnetic Pouch Switch for Pneumatic Reader, from Phil Dayson |
| 1997.09.26.15 | Seek Mills Magnetic Expression Piano Rolls, from Hal Davis |
| 1997.09.23.08 | Mills Magnetic Expression Piano, from Bruce Miller |
| 1997.08.26.07 | Mills Magnetic Expression Piano, from Hal Davis |
| 1997.05.12.11 | Mills Magnetic Expression Piano Rolls, from Stephen Kent Goodman |
| 1996.03.11.05 | Magnetic Media for Long Term Archival, from Larry Fisher |
| 1996.03.11.04 | Magnetic Media for Long Term Archival, from Will Dahlgren |
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