| Digest Nr | Subject and Author |
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| 2008.03.12.07 | Air-O-Swiss & Venta Air Washer Machines, from Vincent Morgan |
| 2007.11.08.04 | Source of Old Coins for Coin-op Machines, from Stephen Kent Goodman |
| 2007.11.07.03 | Seek Old English Pennies for Coin-op Machines, from Bruce Miller |
| 2007.10.30.06 | FS: Star Perforator & Music Machines, from Paul Manganaro |
| 2007.10.24.01 | Morris Museum "Musical Machines & Living Dolls", from Bill Maguire |
| 2007.10.23.01 | Morris Museum "Musical Machines & Living Dolls", from Kimberly Tauriello |
| 2007.03.25.01 | Yale Wonder Clocks & Automatic Cashier Machines, from Dave Bowers |
| 2007.03.19.01 | House on the Rock Music Machines, from Larry Mayo |
| 2007.03.18.01 | House on the Rock Music Machines, from John J. Breen |
| 2007.03.13.02 | House on the Rock Music Machines, from Tom Gregory |
| 2007.03.10.02 | House on the Rock Music Machines, from Doug Henkle |
| 2006.12.27.03 | Seek Catalogs of Song Machines & Photoplayers, from Dave Bowers |
| 2006.12.16.01 | Yale Wonder Clocks & Automatic Cashier Machines, from Dave Bowers |
| 2006.04.13.01 | "Royal Music Machines" Exhibition in Utrecht, from Jan Kees de Ruijter |
| 2006.03.01.05 | Seek Old Coin-Operated Machines, from Lloyd Thoburn |
| 2005.12.05.05 | Modern Music Played on Antique Machines, from Sharon Marie |
| 2005.12.04.05 | Modern Music Played on Antique Machines, from Ingmar Krause |
| 2005.12.04.04 | Modern Music Played on Antique Machines, from Doug Anderson |
| 2005.08.07.02 | Seek Brass Plaques from Music Machines, from Kenneth Goldman |
| 2005.04.21.01 | Mechanical Music Machines Displayed in Fremont, Calif., from Bob Caletti |
| 2004.11.17.03 | Hank & Jere's Collection of Marvelous Music Machines, from Walt Kehoe |
| 2004.11.14.02 | Hank & Jere's Collection of Marvelous Music Machines, from John A. Tuttle |
| 2004.04.15.02 | Mechanical Music Machines Are Musical Instruments, from Brian Smith |
| 2003.09.14.10 | FS: Automatic Musical Machines and Parts, from John Rutoskey |
| 2003.07.15.01 | Book "The Marvelous World of Music Machines", from Craig Smith |
| 2003.06.26.07 | Operating North American Machines in Europe, from Bernt Damm |
| 2003.06.25.14 | Operating North American Machines in Europe, from George Campbell |
| 2003.06.14.06 | FS: Book "The Marvelous World of Music Machines", from Craig Smith |
| 2001.09.12.05 | Musical Race Horse Gaming Machines, from Jeffrey Ross |
| 2000.11.21.01 | John McTammany's Voting Machines, from Julian Dyer |
| 2000.09.19.01 | Antique Mechanical Music & Coin-op Machines in Ancient Cities, from Charles Kossman |
| 2000.02.22.03 | Mechanical Speech Machines - "Robert Robot", from Hal Davis |
| 2000.02.21.04 | Mechanical Speech Machines - The Yoghurt Pot, from Jeffrey Borinsky |
| 2000.02.21.03 | Mechanical Speech Machines in Automatons, from Michael Start |
| 2000.02.20.03 | Mechanical Speech Machines at Bell Laboratories, from Mike Knudsen |
| 2000.02.20.02 | Mechanical Speech Machines in Toys, from Walt Kehoe |
| 2000.02.19.05 | Mechanical Speech Machines, from Mark Kinsler |
| 2000.02.13.09 | Welte Recording and Perforating Machines, from Robbie Rhodes |
| 2000.01.01.01 | Music Machines & Teaching Music Appreciation, from Harvey Roehl |
| 1999.07.09.02 | Frederic Le Junter Musical Machines in Utrecht, from Philippe Rouillé |
| 1999.02.05.01 | Meccano Mechanical Music Machines, from Colin Hinz |
| 1998.05.06.01 | Paul Corins's Magnificent Music Machines, from Roger Waring |
| 1998.05.04.02 | Museum in England - Magnificent Music Machines, from Jan Kijlstra |
| 1998.04.07.10 | Coin Machines by Mills Novelty Co., from Jon Guy |
| 1997.11.09.08 | Stencil Machines, from Andy Taylor |
| 1997.11.06.01 | Introduction & Coin-Op Machines, from Bob Klepner |
| 1997.06.11.07 | Adding Instrumentation to Original Machines, from Craig Brougher |
| 1997.01.20.15 | Wanted: "Marvelous World of Music Machines", from Bob Fitterman |
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