| Digest Nr | Subject and Author |
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| 2007.08.01.04 | Seek Duo-Art Grand Hammer Rail Lifts, from Bruce Grimes |
| 2007.01.04.06 | Soft Pedal Hammer Lift in Ampico Grand Piano, from Randy Hammond |
| 2005.05.12.04 | Grand Hammer Advice, from Bruce Mercer |
| 2005.05.11.04 | Grand Hammer Advice, from Rob Goodale |
| 2005.05.10.02 | Grand Hammer Advice, from Bruce Mercer |
| 2005.05.09.05 | Ampico Hammer Re-fit, from Eric Shoemaker |
| 2005.05.07.03 | Grand Hammer Advice, from D. L. Bullock |
| 2005.05.06.03 | Need Grand Hammer Advice, from Bruce Mercer |
| 2005.04.24.04 | Seek Hammer Rail Lift Linkage for Duo-Art Grand, from Eliyahu Shahar |
| 2004.04.18.04 | Hammer Rail Felt in Duo-Art Grand Piano, from Barry Dennis |
| 2003.12.19.03 | Duo-Art Regulation & Hammer Voicing, from Pete Knobloch |
| 2003.01.01.06 | Seek Impact Tuning Hammer, from John Inzer |
| 2002.08.23.06 | Regulating Key Dip & Hammer Blow Distance, from Donald Dusenbury |
| 2002.08.22.11 | Regulating Key Dip & Hammer Blow Distance, from Steve Greatrex |
| 2002.07.10.06 | Hammer Return Spring Adjustment, from Jeff Davis |
| 2002.07.10.05 | Hammer Return Springs, from John A. Tuttle |
| 2002.07.09.06 | Regulating Hammer Butt Springs, from Iran Ausley |
| 2001.04.23.11 | Hammer Velocity & Keyboard Energy, from John Rhodes |
| 2001.04.09.12 | Seek Henry F. Miller Hammer Butt, from Bryant Stott |
| 2000.12.19.06 | Hammer Springs & Player Repetition Rate, from Jon Page |
| 2000.12.18.04 | Hammer Springs & Player Repetition Rate, from D. L. Bullock |
| 2000.12.16.04 | Hammer Rail Lift Pneumatic in Duo-Art Grand, from Mike Knudsen |
| 2000.12.15.10 | Repairing Brass Hammer Flange Rail, from Bill Maxim |
| 2000.12.15.09 | Hammer Rail Lift Pneumatic in Duo-Art Grand, from John McClure |
| 2000.12.10.02 | Seek Brass Hammer Flange Rail For Knabe Upright, from Iran Ausley |
| 2000.12.07.05 | Hammer Springs & Player Repetition Rate, from Larry Toto |
| 2000.08.08.12 | Seek Thayer Hammer Shank Flanges, from Ana Gerard |
| 2000.05.02.11 | Hammer Felt Softening, from D. L. Bullock |
| 2000.05.02.10 | Hammer Felt Softening, from Larry Toto |
| 2000.05.02.09 | Hammer Felt Softening, from Jon Page |
| 2000.05.01.06 | Hammer Felt Softening, from Jeff Lofton |
| 2000.04.29.06 | Softening Hammer Felt, from Jeff Lofton |
| 2000.04.03.12 | Modification for Hammer Stroke Adjustment, from Andy Taylor |
| 1999.12.21.08 | Hammer Rail Lift Compensator For Upright Players, from Andy Taylor |
| 1998.08.18.18 | Hammer Weight in Reproducing Piano, from Bob and Sonja Lemon |
| 1998.08.18.17 | Hammer Weight in Reproducing Piano, from John McClelland |
| 1998.08.16.13 | Hammer Weight in Reproducing Pianos, from Jim Heyworth |
| 1998.05.15.10 | Tapered Hammer Shanks, from Don Teach |
| 1998.05.14.09 | Hammer Acceleration, from Bernt Damm |
| 1998.05.13.16 | Hammer Acceleration, from Andy Taylor |
| 1998.05.13.15 | Hammer Acceleration, from Ray Fairfield |
| 1998.05.12.16 | Hammer Acceleration, from Jon Page |
| 1998.05.11.15 | Hammer Acceleration, from Bernt Damm |
| 1998.05.10.12 | Hammer Acceleration, from Robert Linnstaedt |
| 1998.05.07.16 | Hammer Acceleration, from Ray Fairfield |
| 1998.05.06.16 | Hammer Acceleration and Velocity, from Roger Waring |
| 1998.05.06.15 | Hammer Acceleration and Velocity, from Jeff Davis |
| 1998.05.06.14 | Hammer Acceleration and Velocity, from John A. Tuttle |
| 1998.05.05.27 | Hammer Acceleration and Velocity, from Jason Stahl |
| 1998.05.05.25 | Hammer Let-off, from Ray Fairfield |
| 1998.05.04.17 | Hammer Acceleration and Velocity, from Roger Waring |
| 1998.05.03.10 | Hammer Velocity and Player-Mechanism Technique, from Karl Ellison |
| 1998.05.03.09 | Piano Hammer Is Thrown at Strings, from Hal Davis |
| 1998.05.02.10 | Ampico Hammer Velocity Recorder, from Karl Ellison |
| 1998.01.27.13 | Ampico Hammer Lift Rail, from Jeff Davis |
| 1998.01.26.17 | The Hammer Lift Rail in Reproducing Grands, from John A. Tuttle |
| 1998.01.26.16 | Ampico Hammer Rail, from Jon Page |
| 1998.01.05.21 | Hammer Strike-point in Uprights, from Jon Page |
| 1998.01.05.20 | Hammer Strike Point, from John A. Tuttle |
| 1998.01.04.21 | Hammer Strike-point in Uprights, from John Johns |
| 1998.01.02.15 | Hammer Strike-point in Uprights, from Andy Taylor |
| 1997.10.25.06 | Beckwith Hammer Rail and Sustain Pneumatics, from Damon Atchison |
| 1997.08.18.09 | Action Shift vs. Hammer Lift on Duo-Art, from Douglas Henderson |
| 1997.08.15.12 | Action Shift vs. Hammer Lift, from Ray Bauer |
| 1997.03.08.17 | Re: Piano Hammer Sources, from Colin Hinz |
| 1997.03.04.11 | Hammer Suppliers, from Jon Page |
| 1997.03.04.10 | Hammer Suppliers, from Larry Lobel |
| 1997.03.03.21 | Hammer Suppliers, from John A. Tuttle |
| 1996.03.25.04 | Hammer Rail ;-), from Horst Mohr |
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