| Digest Nr | Subject and Author |
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| 2016.03.09.03 | Friction in Musical Box Governor Assembly, from Paul Bellamy |
| 2016.03.08.02 | Friction in Musical Box Governor Assembly, from Wally Donoghue |
| 2016.03.07.03 | Friction in Musical Box Governor Assembly, from Eliyahu Shahar |
| 2016.03.07.02 | Friction in Musical Box Governor Assembly, from Nicholas Simons |
| 2016.03.07.01 | Friction in Musical Box Governor Assembly, from Nancy Fratti |
| 2016.03.06.01 | Friction in Musical Box Governor Assembly, from Neil Scragg |
| 2015.03.19.02 | Rubber Tire for Seeburg Friction Drive Wheel, from John J. Breen |
| 2015.03.19.01 | Rubber Tire for Seeburg Friction Drive Wheel, from Larry Emmons |
| 2015.03.17.02 | Seek Rubber Tire for Seeburg Friction Drive, from Joseph Osborne |
| 2014.09.17.02 | Friction in Musical Box Governor, from Jonathan Herz |
| 2014.09.16.03 | Friction in Musical Box Governor, from Susie Robinson |
| 2010.11.23.05 | PPCo Spoolframe Gearmotor Friction, from Mark Greisen |
| 2010.11.20.06 | PPCo Spoolframe Gearmotor Friction, from Mark Greisen |
| 2007.04.25.08 | Source of Rubber Friction Drive Parts, from Mark Kinsler |
| 2007.04.24.05 | Friction Drive Tire for Western Electric, from Max Huff |
| 2007.04.23.06 | Friction Drive Tire for Western Electric, from Bob Hodge |
| 2007.04.22.04 | Seek Friction Drive Tire for Western Electric, from Max Huff |
| 2007.02.25.04 | Wurlitzer Friction Drive Disc Specification, from Doug Hershberger |
| 2006.07.28.06 | Auto-Electric Coin Piano Friction Disc Drive, from Karl Petersen |
| 2006.07.27.08 | Auto-Electric Coin Piano Friction Disc Drive, from Philip Jamison |
| 2005.07.01.12 | Adjusting Music Roll Spool Friction Brakes, from Marc Goodman |
| 2005.06.30.11 | Adjusting Music Roll Spool Friction Brakes, from Arthur Marino |
| 2005.06.30.10 | Adjusting Music Roll Spool Friction Brakes, from D. L. Bullock |
| 2005.06.30.09 | Adjusting Music Roll Spool Friction Brakes, from Eric Stott |
| 2005.06.29.04 | Adjusting Music Roll Spool Friction Brakes, from John A. Tuttle |
| 2004.09.13.09 | FS: Wurlitzer Friction Drive Tires, from Stephen Kent Goodman |
| 2003.04.13.03 | Rebuilding Leather Tire Friction Drive, from Bill Masterman |
| 2002.05.04.09 | Seeburg Music Roll Friction Drive, from Stephen Kent Goodman |
| 2002.05.03.09 | Seeburg Music Roll Friction Drive, from Dick Merchant |
| 2000.09.18.04 | Band Organ Crankshaft Bearing Friction And Lubrication Problem, from Arthur Tanguay |
| 1998.03.27.10 | Material for Friction Drive Wheels, from Art Reblitz |
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