| Digest Nr | Subject and Author |
|---|
 |
| 2025.04.09.01 | Seek MIDI File of Otto Higel 03792 Test Roll, from Cade Gunter |
| 2024.05.05.02 | FS: Otto Accordion in Larry Reece's Collection, from Les Hazen |
| 2024.03.15.01 | FS: Larry Reece's Otto Accordion, from Les Hazen |
| 2023.12.20.02 | Canadian-built Otto Higel Metalnola Actions, from Andrew Pretty |
| 2022.04.10.03 | FS: Otto Player Accordion in Minnesota, from Larry Reece |
| 2017.04.26.03 | Regulating Otto Higel Metalnola Player Piano, from Thomas Binnall |
| 2017.04.25.03 | Regulating Otto Higel Metalnola Player Piano, from Albert Fox |
| 2016.01.02.01 | 88-note Solodant Rolls by Otto Higel Co., from Steve Bentley |
| 2015.12.08.02 | FS: O-roll Nickelodeon, Otto Accordion, Faventia, from Paulette Smariga |
| 2015.11.14.02 | Otto Accordion by the Miner Co., from Carl Shannon |
| 2015.11.13.02 | Otto Accordion Manufactured by the Miner Co., from Jim Quashnock |
| 2014.01.12.03 | Otto Higel and Odeola Similarities, from John A. Tuttle |
| 2013.05.18.04 | Seek Otto Higel Air Motor, from Clinton Gray |
| 2013.02.28.05 | Seek Otto Higel Metalnola Tubing Chart, from Thomas Binnall |
| 2010.09.13.13 | Repairing the Reeds in Otto Accordion Orchestrion, from Dale F. Rowe |
| 2010.09.13.12 | Repairing the Reeds in Otto Accordion Orchestrion, from John Bartlett |
| 2010.09.13.11 | Repairing the Reeds in Otto Accordion Orchestrion, from Rob Goodale |
| 2010.09.12.07 | Repairing the Reeds in Otto Accordion Orchestrion, from Bernt Damm |
| 2010.08.18.08 | Plastic Valves in Otto Accordion Orchestrion, from Bernt Damm |
| 2010.07.23.03 | Automatic Accordion Named Otto, from Bernt Damm |
| 2010.02.27.03 | "Crazy Otto" Piano Roll as Sheet Music, from Lee Rothrock |
| 2010.02.23.09 | Seek "Crazy Otto" Piano Roll as Sheet Music, from Lee Rothrock |
| 2010.01.19.01 | Otto Higel "Peerless Electric" Music Rolls, from Jason Balcom |
| 2006.01.13.04 | Rebuilding Otto Higel Player Action, from Ed Chaban |
| 2006.01.12.07 | Rebuilding Otto Higel Player Action, from Rob Goodale |
| 2006.01.11.03 | Rebuilding Otto Higel Player Action, from Joel Gauthier |
| 2002.05.08.02 | Passing of Otto Fichtinger of Salzburg, from Peter Leutwiler |
| 2002.05.07.01 | Passing of Otto Fichtinger of Salzburg, from Ron Schmuck |
| 2002.04.26.07 | FS: Otto Higel Piano Rolls in Canada, from Joelle Wafer |
| 2001.07.11.16 | FS: Otto R. Trefz Piano Supply Catalog, from Andy LaTorre |
| 2000.11.14.14 | Seek Otto Higel Transmission, from zensan84@aol.com |
| 2000.07.05.06 | Ragtimer Johnny Maddox & "The Crazy Otto", from Paul Murphy |
| 2000.07.01.05 | Seek Metal Otto Higel Player Action Parts, from Adam G. Ramet |
| 2000.06.17.10 | Otto Higel Hamilton Piano in New Zealand, from Jack M. Conway |
| 2000.06.15.06 | Otto Higel Hamilton Piano in New Zealand, from Daryl Evans |
| 2000.03.06.02 | Otto Accordion by Miner Manufacturing Co., from Bill Masterman |
| 1999.12.16.01 | Introduction & Otto Emil Kremp, from Richard A. Cardwell |
| 1999.12.12.03 | Otto Kremp of Welte-Mignon, from John McClelland |
| 1998.08.19.12 | Otto Higel Player Action, from Roger Waring |
| 1998.08.18.21 | Otto Higel Player Action, from Roger Waring |
| 1997.11.22.11 | Otto Higel Metalnola, from Tony Law |
| 1997.11.22.10 | Heintzman with Otto Higel Stack, from Dan Armstrong |
| 1997.11.21.06 | Otto Higel Metalnola, from Colin Hinz |
| 1997.11.14.11 | Otto Higel Metanola, from Tony Law |
| 1997.09.03.05 | Otto Higel in London - From the Horse's Mouth, from Julian Dyer |
| 1997.09.03.04 | Otto Higel Players, from Jeff Davis |
| 1997.09.01.08 | Otto Higel Rolls, from John Wolff |
| 1997.08.29.07 | Otto Higel Company of Toronto, from Nelson Denton |
| 1997.05.04.12 | Otto Higel Labels, from Jim Heyworth |
| 1997.05.02.08 | Otto Higel Rolls, Etc., from Colin Hinz |
| 1997.01.19.12 | Transposing Otto Higel Solodant, from Dan Wilson |
| 1997.01.16.08 | Re: Otto Higel Tracker Bar, from Colin Hinz |
| 1997.01.16.07 | Re: Otto Higel Player Action, from Jeffrey Borinsky |
| 1997.01.16.06 | Re: Otto Higel, from Fritz Gellerman |
| 1997.01.15.08 | Otto Higel Player Action, from Colin Hinz |
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