| Digest Nr | Subject and Author |
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| 2009.10.29.06 | Reginaphone Horn & Turntable, from Randy Hammond |
| 2009.10.28.06 | Seek Reginaphone Horn & Turntable, from Jonathan Pierce |
| 2008.01.11.07 | FS: Large Collection of Disc Horn Phonographs, from Marty Roenigk |
| 2007.11.01.02 | Seek Reginaphone Horn, from egrchar@ |
| 2003.06.09.04 | Seek Brass Horn Band Organs, from Les Beebe |
| 2003.02.28.06 | Musical Car Horn, from Frank Adams |
| 2003.02.27.01 | "Testophone" Musical Car Horn, from Todd Augsburger |
| 2003.02.26.01 | "Testophone" Musical Car Horn, from Nicholas Simons |
| 2003.02.25.07 | "Testophone" Car Horn Played by Perforated Cylinder, from Dennis Nordin |
| 2001.01.21.02 | Horn & Hardart Automat, from Matthew Caulfield |
| 2000.05.09.04 | Concert Phonograph Horn and Crank, from Al Sefl |
| 1999.12.30.01 | French Air Horn Calliope on the Champs Elysees, from Philippe Rouillé |
| 1998.11.21.02 | Horn & Whistle Enthusiasts Group, from Jack Hardman |
| 1998.05.10.04 | Aeolianly Gentle Echo Air Horn, from Robbie Rhodes |
| 1997.11.25.08 | Need Photo of Horn of Model 150 Reginaphone, from Keith Merchant |
| 1996.12.30.15 | Wanted: Metal Horn Phonograph, from Bill Hodges |
| 1996.12.18.02 | Horn and Whistle Enthusiasts Group, from Bob Conant |
| 1996.10.17.06 | Re: Reginaphone Horn Wanted, from Michael Swanson |
| 1996.10.15.16 | Wanted: Reginaphone Horn and For Sale: Regina Player Piano, from Clayton Cooke |
| 1996.01.05.04 | WTB: Phono Horn Floor Crane, from Jim Canavan |
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