| Digest Nr | Subject and Author |
|---|
 |
| 2016.09.25.02 | Reversible Music Roll, from Rowland Lee |
| 2016.09.23.05 | Reversible Music Roll, from Kathleen Hiigel |
| 2016.09.22.03 | Reversible Music Roll, from Walter Tenten |
| 2016.09.20.03 | Reversible Music Roll, from Luke Myers |
| 2009.04.22.05 | Reversible Glue for Temporary Repair, from Jon Page |
| 2009.04.21.04 | Seek Reversible Glue for Temporary Repair, from Paul Vickberg |
| 2003.01.02.06 | Reversible Music on Angelus & Aeolian Rolls, from Christofer Noering |
| 2001.12.07.07 | PVA Archival Reversible Glue for Pneumatic Repairs, from Paul Bellamy |
| 2000.08.24.10 | Reversible PVA Adhesive & Colloidal Graphite, from Paul Camps |
|
