| Digest Nr | Subject and Author |
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| 2023.01.06.03 | Measuring the Speed of an Air Motor, from Craig Smith |
| 2023.01.06.02 | Measuring the Speed of an Air Motor, from Jon Page |
| 2023.01.05.03 | Measuring the Speed of an Air Motor, from Wayne Finger |
| 2023.01.05.02 | Measuring the Speed of an Air Motor, from Spencer Chase |
| 2023.01.05.01 | Measuring the Speed of an Air Motor, from John A. Tuttle |
| 2023.01.04.01 | Measuring the Speed of an Air Motor, from John Grant |
| 2023.01.03.02 | Measuring the Speed of an Air Motor, from David Dewey |
| 2023.01.02.02 | Measuring the Speed of an Air Motor, from John A. Tuttle |
| 2020.12.01.03 | Speed Control for Electric Suction Box, from John A. Tuttle |
| 2020.11.28.05 | Speed Control for Electric Suction Box, from John McClelland |
| 2019.10.28.05 | Constant Torque vs. Constant Speed Roll Drive, from Paul Rumpf |
| 2017.12.28.05 | Seeburg K & KT Suction Reservoir & Pump Speed, from Kermit Hobbs |
| 2017.11.30.06 | Speed Of Rotary Vacuum Pumps, from Scotty Greene |
| 2017.11.21.08 | Speed Of Rotary Vacuum Pumps, from Wayne Finger |
| 2016.10.17.07 | Slowing the Duo-Art Rewind Speed, from John Grant |
| 2016.07.30.02 | Duo-Art 15" Pump Speed, from Bernt Damm |
| 2016.07.28.05 | Duo-Art 15" Pump Speed, from John Grant |
| 2016.07.24.05 | Duo-Art 15" Pump Speed, from Bernt Damm |
| 2015.12.20.04 | Speed Control for Electric Suction Box, from H. C. Beckman |
| 2015.12.19.02 | Speed Control for Electric Suction Box, from Peter Clarke |
| 2015.12.18.03 | Speed Control for Electric Suction Box, from Larry Claus |
| 2015.12.17.05 | Speed Control for Electric Suction Box, from Eric Bergstrom |
| 2015.12.17.04 | Speed Control for Electric Suction Box, from Spencer Chase |
| 2015.12.17.03 | Speed Control for Electric Suction Box, from David Dewey |
| 2015.12.17.02 | Speed Control for Electric Suction Box, from Roger Wiegand |
| 2015.12.16.02 | Speed Control for Electric Suction Box, from Luke Myers |
| 2015.12.04.08 | Speed of Ampico A Pump and Motor, from John Wolbach |
| 2015.12.04.07 | Speed of Ampico A Pump and Motor, from Ralph Nielsen |
| 2015.12.03.04 | Speed of Ampico A Pump and Motor, from Darryl Zempel |
| 2014.08.23.07 | PPCo Spool Frame Motor Speed Control, from Steve Bentley |
| 2014.08.21.04 | PPCo Spool Frame Motor Speed Control, from Herb Lindahl |
| 2014.02.22.03 | Spool Frame Rewind Motor Speed Problem, from Nicholas Simons |
| 2014.02.21.03 | Spool Frame Rewind Motor Speed Problem, from Pete Knobloch |
| 2014.02.19.02 | Spool Frame Rewind Motor Speed Problem, from Gordon Ramsey |
| 2014.02.17.04 | Spool Frame Rewind Motor Speed Problem, from Pete Knobloch |
| 2013.07.05.09 | FS: High Speed Piano Roll Lyrics Printer, from Spencer Chase |
| 2012.08.01.08 | Suction Box Speed Control Problem, from Duaine Hechler |
| 2012.08.01.07 | Suction Box Speed Control Problem, from Tom Neuhaus |
| 2012.07.31.02 | Suction Box Speed Control Problem, from Diane deTar |
| 2012.07.30.05 | Suction Box Speed Control Problem, from Jeff Davis |
| 2012.07.10.04 | Wurlitzer Pianino Motor Speed, from Dana Johnson |
| 2012.07.09.04 | 1907 Wurlitzer Pianino Motor Speed, from Clay Hinrichs |
| 2010.11.30.02 | Kimball Electramatic Player Speed Problem, from Carolyn White |
| 2010.08.23.06 | PPCo Roll Frame Motor Speed is Unstable, from Bob Hodge |
| 2010.08.21.07 | PPCo Roll Frame Motor Speed is Unstable, from Herb Lindahl |
| 2010.08.13.09 | PPCo Roll Frame Motor Speed is Unstable, from John A. Tuttle |
| 2010.08.12.06 | PPCo Roll Frame Motor Speed is Unstable, from John A. Tuttle |
| 2010.08.11.11 | PPCo Roll Frame Motor Speed is Unstable, from Herb Lindahl |
| 2010.07.25.06 | Variable Frequency for Variable Speed A.C. Motor, from Bob Hunt |
| 2010.07.24.06 | Variable Speed A.C. Motor Controller, from Marvin Horovitz |
| 2010.07.24.05 | Variable Speed A.C. Motor Controller, from Spencer Chase |
| 2010.07.23.07 | Variable Speed A.C. Motor Controller, from Craig Smith |
| 2010.07.22.14 | Variable Speed Motor for Tangley Roll Frame, from Robbie Rhodes |
| 2010.07.22.13 | Variable Speed Motor for Tangley Roll Frame, from Rich Sitler |
| 2010.07.22.12 | Variable Speed A.C. Motor Controller, from Jeff Bridges |
| 2010.07.22.11 | Variable Speed A.C. Motor Controller, from Tom Rosenbusch |
| 2010.07.21.07 | Variable Speed Motor for Tangley Roll Frame, from Robbie Rhodes |
| 2010.07.21.06 | Variable Speed A.C. Motor Controller, from Spencer Chase |
| 2010.07.21.05 | Variable Speed A.C. Motor Controller, from Harvey Chao |
| 2010.07.21.04 | Variable Speed A.C. Motor Controller, from Lee Rothrock |
| 2010.07.20.07 | Seek Variable Speed AC Motor Controller, from Marvin Horovitz |
| 2009.06.26.05 | PPCo Roll Frame Speed Control Replacements, from John Rutoskey |
| 2009.06.16.08 | FS: Motor Speed Control Assembly, from John McClelland |
| 2009.06.16.07 | Motor Speed Control Methods, from Spencer Chase |
| 2009.06.15.04 | Seek Fan Motor Speed Control, from Jon Page |
| 2009.05.21.10 | Speed Control For a Player Piano Suction Box, from Bill Maguire |
| 2008.09.18.06 | Typical Roll Speed for 20er Rolls, from Harald Mueller |
| 2007.04.10.06 | Controlling Rewind Speed of Electrified Player, from Tom Sendall |
| 2007.03.25.06 | Controlling Rewind Speed of Electrified Player, from Will Herzog |
| 2007.03.25.05 | Controlling Rewind Speed of Electrified Player, from John Farmer |
| 2007.03.24.05 | Controlling Rewind Speed of Electrified Player, from Jon Page |
| 2007.03.23.09 | Controlling Rewind Speed of Electrified Player, from Roger Waring |
| 2007.03.23.08 | Controlling Rewind Speed of Electrified Player, from Glen Jedlicka |
| 2007.03.23.07 | Controlling Rewind Speed of Electrified Player, from Dale Gunnar |
| 2007.03.23.06 | Controlling Rewind Speed of Electrified Player, from Bob Loesch |
| 2007.03.23.05 | Controlling Rewind Speed of Electrified Player, from Spencer Chase |
| 2007.03.22.05 | Controlling Rewind Speed of Electrified Player, from Tom Sendall |
| 2004.05.09.03 | Reducing Blower Motor Speed, from Mark Kinsler |
| 2004.05.08.03 | Reducing Blower Motor Speed, from Tom Gregory |
| 2004.04.30.09 | Vacuum Transducer for Motor Speed Control, from Roger Waring |
| 2004.04.29.07 | Vacuum Transducer for Motor Speed Control, from Nicholas Simons |
| 2004.04.29.06 | Vacuum Transducer for Motor Speed Control, from Pete Knobloch |
| 2004.04.29.05 | Vacuum Transducer for Motor Speed Control, from Craig Smith |
| 2004.04.28.07 | Vacuum Transducer for Motor Speed Control, from John A. Tuttle |
| 2004.04.28.06 | Vacuum Transducer for Motor Speed Control, from Spencer Chase |
| 2004.04.28.05 | Vacuum Transducer for Motor Speed Control, from Mark Kinsler |
| 2004.04.27.02 | Seek Vacuum Transducer for Motor Speed Control, from Roger Waring |
| 2003.12.07.01 | Regulating Speed of Thorens Movement, from Robert Stedman |
| 2003.11.20.13 | Decap Dance Organ Pump Speed, from Nicholas Simons |
| 2003.11.19.15 | Decap Dance Organ Pump Speed, from Nicholas Simons |
| 2003.11.19.14 | Decap Dance Organ Pump Speed, from John Runge |
| 2003.11.19.13 | Decap Dance Organ Pump Speed, from Willy van der Reijden |
| 2003.11.18.09 | Decap Dance Organ Pump Speed, from John Runge |
| 2003.08.18.06 | PPCo Vacuum Pump Speed Controller Diagram, from John A. Tuttle |
| 2003.02.13.14 | Schematic for PPCo Electronic Motor Speed Control, from Larry Emmons |
| 2003.02.06.16 | Seek Schematic for Electronic Speed Control, from Larry Mayo |
| 2003.02.01.08 | Reproduco NOS Music Roll Speed, from Tyler J. Smith |
| 2002.11.10.01 | Speed of Triola Music Roll & Spiral Correction, from Harald Mueller |
| 2002.11.09.04 | Speed of Triola Music Roll, from John Wolff |
| 2002.11.09.03 | Speed of Triola Music Roll, from Nicholas Simons |
| 2002.11.07.02 | Speed of Triola Music Roll, from John Wolff |
| 2002.11.02.02 | Speed of Triola Music Roll, from Harald Mueller |
| 2002.03.22.14 | Hupfeld Clavitist Pump Speed, from Peter Coggins |
| 2002.03.01.16 | WAV File Player With Clock Speed Control, from Wes Melander |
| 2002.03.01.15 | WAV File Player With Clock Speed Control, from Bob Wilson |
| 2002.03.01.14 | WAV File Player With Clock Speed Control, from Ingmar Krause |
| 2002.02.28.03 | WAV File Player With Clock Speed Control, from Mike Knudsen |
| 2002.02.27.06 | Seek WAV File Player With Clock Speed Control, from Tom Lear |
| 2001.12.19.14 | Speed of Barrel Piano, from Gert Der Kinderen |
| 2001.11.06.06 | Pump Motor Speed Control, from Cecil Grace |
| 2001.07.18.02 | Speed of Large Polyphon Disc, from Francoise Dussour |
| 2001.06.05.04 | A- and O-Roll Paper Speed, from Brian Smith |
| 2001.05.01.08 | A-Roll and O-Roll Paper Speed, from Ken Vinen |
| 2001.04.30.04 | A- and O-Roll Paper Speed, from George Bogatko |
| 2001.04.23.08 | Variable Speed Induction Motor, from Russ Doering |
| 2001.04.23.07 | Variable Speed Induction Motor, from Tom Lear |
| 2001.04.22.03 | Seek Replacement Small Variable Speed AC Motor, from Bob Pinsker |
| 2001.04.01.08 | Small Variable Speed Induction Motor, from Mark Kinsler |
| 2001.04.01.07 | Variable Speed DC Motor, from Mark Kinsler |
| 2001.03.20.03 | Variable Speed Induction Motor, from Tom Lear |
| 2001.01.29.10 | MIDster Punch Speed, from John Kleinbauer |
| 2001.01.28.07 | MIDster Punch Speed, from Bob Essex |
| 2000.11.04.03 | Postal Codes Speed the Mail, from Mike 'Fox' Morrey |
| 2000.11.04.02 | Postal Codes Speed the Mail, from Todd Augsburger |
| 2000.10.30.03 | Postal Codes Speed the Mail, from Kevin McElhone |
| 2000.07.19.09 | Duo-Art Air Motor Speed Regulation Problem, from Paddy Handscombe |
| 2000.07.18.11 | Duo-Art Air Motor Speed Regulation Problem, from Pete Knobloch |
| 2000.07.18.10 | Duo-Art Air Motor Speed Regulation Problem, from Bernt Damm |
| 2000.07.17.03 | Duo-Art Air Motor Speed Regulation Problem, from Mario Solimbergo |
| 2000.06.28.07 | Sustain Pedal Pneumatic Speed & Lost Motion, from D. L. Bullock |
| 2000.06.23.09 | Sustain Pedal Pneumatic Speed, from Bernt Damm |
| 2000.06.20.08 | Sustain Pedal Pneumatic Speed, from Pete Knobloch |
| 2000.06.19.11 | Sustain Pedal Pneumatic Speed, from Bernt Damm |
| 2000.04.05.01 | Variable Speed Regina, from Mike Knudsen |
| 2000.04.03.02 | Variable Speed Music Box, from Bruce Clark |
| 2000.04.02.01 | Variable Speed Music Box, from Ray Bauer |
| 1999.02.05.18 | Airmotor Speed Regulation Problem, from Bob Taylor |
| 1999.02.05.17 | Airmotor Speed Regulation in Duo-Art, from Spencer Chase |
| 1999.02.05.16 | Airmotor Speed Regulation in Duo-Art, from Craig Brougher |
| 1999.02.04.09 | Airmotor Speed Regulation in Duo-Art, from Mario Solimbergo |
| 1998.11.05.17 | Motor Speed Regulation & Music Roll Acceleration, from Robbie Rhodes |
| 1998.07.27.10 | Trick to Speed Up Solenoids, from Mike Knudsen |
| 1998.06.22.15 | Speed of Accordion Pneumatics, from Robbie Rhodes |
| 1998.05.08.21 | Lawnmower Variable Speed Drive, from Bob Conant |
| 1998.03.04.11 | Factors Influencing Roll Speed, from George Bogatko |
| 1998.03.03.10 | Roll Tempo and Hand-playing Speed, from Craig Brougher |
| 1998.03.02.11 | Roll Tempo and Hand-playing Speed, from Rick Inzero |
| 1997.07.10.14 | Pump speed of Duo-Art Upright, from Thomas Henden |
| 1997.04.30.11 | Band Organ Crankshaft Speed, from Matthew Caulfield |
| 1997.04.30.10 | Band Organ Crankshaft Speed, from Bill Black |
| 1997.04.30.09 | Band Organ Crankshaft Speed, from Fritz Gellerman |
| 1997.04.28.09 | Band Organ Crankshaft Speed, from Bill Finch |
| 1996.12.02.02 | Re: Speed of Hupfeld Rolls, from Rob DeLand |
| 1996.11.28.09 | Speed of Hupfeld Rolls, from John Phillips |
| 1996.11.27.02 | Re: Speed of Hupfeld Rolls, from Dan Wilson |
| 1996.11.26.02 | Speed of Hupfeld Rolls, from John Phillips |
| 1995.07.15.02 | Roll Playback Speed Change, from Robbie Rhodes |
| 1995.06.14.06 | Re: Roll Playback Speed, from Rick Pargeter |
| 1995.06.14.04 | Re: Roll Playback Speed, from Zoltán Jánosy |
| 1995.06.14.02 | Re: Roll Playback Speed, from Mark Fontana |
| 1995.06.13.02 | Increasing Speed of Roll, Part 2, from Bill Jelen |
| 1995.06.13.01 | Re: Roll Speed, from Bill Jelen |
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