| Digest Nr | Subject and Author |
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| 2024.12.05.01 | Seek PPCo Vacuum Supply Cut-Out Pouch Block, from John Ravert, Sr. |
| 2019.05.16.06 | FS Free: PPCo Simplex Unit Pneumatic Tester, from Ed Chaban |
| 2019.02.14.02 | Seek PPCo Amphion Valve Replacement Set, from John Ravert, Sr. |
| 2017.07.31.03 | PPCo Suction Box Kit vs. Homemade Suction Box, from Luke Myers |
| 2016.04.30.02 | Seek PPCo Test Valve Block, from Donald Barton |
| 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 |
| 2014.08.03.04 | Aspidistra Piano Stool Advert in PPCo Catalog, from John A. Tuttle |
| 2014.08.03.03 | Aspidistra Piano Stool Advert in PPCo Catalog, from Bob Loesch |
| 2014.08.02.05 | Aspidistra Piano Stool Advert in PPCo Catalog, from Pat DeWitt |
| 2014.05.06.03 | Seek PPCo Brass Hose Elbows, from Jon Page |
| 2013.06.01.03 | Seek Durrell Armstrong PPCo Memorabilia, from Dave Krall |
| 2013.02.26.13 | FS: PPCo Spool Frame for Style "A" or "G" Rolls, from Carl Denunzio |
| 2012.01.14.04 | Source of PPCo Piano Roll Hole Punch, from Don Teach |
| 2012.01.12.06 | Seek PPCo Piano Roll Hole Punch, from Paul Horgan |
| 2011.10.03.03 | PPCo No. 8 Thin Wall Rubber Tubing, from Don Teach |
| 2011.09.28.03 | PPCo No. 8 Thin Wall Rubber Tubing, from Don Teach |
| 2011.01.05.04 | PPCo Plastic Glue Equivalent, from Bernt Damm |
| 2011.01.03.09 | PPCo Plastic Glue Equivalent, from Don Teach |
| 2011.01.03.08 | PPCo Plastic Glue Equivalent, from Bill Chapman |
| 2011.01.03.07 | PPCo Plastic Glue Equivalent, from Wallace Venable |
| 2011.01.02.08 | Seek PPCo Plastic Glue Equivalent in Australia, from Bernt Damm |
| 2010.11.23.05 | PPCo Spoolframe Gearmotor Friction, from Mark Greisen |
| 2010.11.20.06 | PPCo Spoolframe Gearmotor Friction, from Mark Greisen |
| 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 |
| 2009.09.11.01 | Player Piano Company ( PPCo) Survey, from Robbie Rhodes |
| 2009.06.26.05 | PPCo Roll Frame Speed Control Replacements, from John Rutoskey |
| 2009.06.25.08 | Seek PPCo Coinola Spool Frame, from Louis Gentile |
| 2009.05.09.04 | FS: PPCo Suction Box, from Bill McKeown |
| 2009.05.07.05 | Seek PPCo Blower Box, from Rick McDowell |
| 2009.04.25.02 | Need 300 Reducing Nipples, PPCo #361, from Duaine Hechler |
| 2008.04.03.08 | PPCo Roll Chuck and 65-note Tracker Bar Needed, from Jason Balcom |
| 2007.11.26.06 | Seek Wiring Diagram for PPCo Spool Frame, from John McClure |
| 2006.02.07.04 | Player Piano Company ( PPCo) Online Catalogue, from Mike Schoeppner |
| 2006.02.07.03 | Player Piano Company ( PPCo) Online Catalogue, from John A. Tuttle |
| 2006.02.06.02 | Player Piano Company ( PPCo) Online Catalogue, from Walter Tenten |
| 2006.02.02.01 | Player Piano Company ( PPCo) Web Site, from Vic Searle |
| 2004.01.01.06 | PPCo and Schaff 'Wine' Motor Cloth, from John A. Tuttle |
| 2003.12.31.08 | Adhesive for PPCo Purple Pneumatic Cloth, from Eliyahu Shahar |
| 2003.12.31.07 | Adhesive for PPCo Purple Pneumatic Cloth, from Dan Armstrong |
| 2003.12.30.09 | Adhesive for PPCo Purple Pneumatic Cloth, from Ed Copeland |
| 2003.08.18.06 | PPCo Vacuum Pump Speed Controller Diagram, from John A. Tuttle |
| 2003.06.06.04 | PPCo Book "Player Action Identification", from John Dewey |
| 2003.02.13.14 | Schematic for PPCo Electronic Motor Speed Control, from Larry Emmons |
| 2001.07.31.11 | PPCo Replacement Push-Pull Power Switch for Piano, from Craig Brougher |
| 2001.07.17.08 | PPCo Orchestrion Spool Frames, from Ed Gaida |
| 2001.07.16.04 | PPCo Orchestrion Spool Frames, from Craig Brougher |
| 2001.07.08.07 | "M" Roll Recutting Project at PPCo, from George Bogatko |
| 2001.04.18.03 | Valve Facings From PPCo, from Roger Waring |
| 2001.04.17.04 | Vacuum Valve Facings From PPCo, from John Rutoskey |
| 2001.04.15.06 | Patent Leather Valve Facings from PPCo, from Al Pebworth |
| 2001.04.14.03 | Vacuum Valve Facings from PPCo, from Roger Waring |
| 2001.03.07.02 | Illness at Player Piano Company ( PPCo), from Matthew Caulfield |
| 2000.07.06.12 | New Wurlitzer Unit Valves from PPCo, from Don Teach |
| 2000.07.06.09 | PPCo Booklet "Player Action Identification", from Howard Wyman |
| 2000.07.05.09 | Sponge Silicone Unit Valves from PPCo, from John A. Tuttle |
| 2000.07.03.03 | Sponge Neoprene Unit Valves from PPCo, from Brian Thornton |
| 2000.07.01.04 | Sponge Neoprene Unit Valves from PPCo, from Andy Taylor |
| 2000.06.30.07 | Wurlitzer Unit Valves from PPCo, from Dan Armstrong |
| 2000.03.07.12 | PPCo & Player Piano Rebuilding Advice, from Craig Brougher |
| 1999.11.23.13 | New Suction Boxes from PPCo, from Craig Brougher |
| 1999.07.28.22 | Bushings in Old PPCo O-roll Spool Frame, from Craig Brougher |
| 1999.07.27.13 | Bushings in Old PPCo O-roll Spool Frame, from Bernt Damm |
| 1999.06.15.08 | PPCo 1100 RPM Replacement Motor, from Sam Harris |
| 1999.05.31.09 | Seek PPCo Orchestrion Blower Box & G Rolls, from Bill Masterman |
| 1999.03.25.10 | Aeolian Valve Facings from PPCo., from Stephen Kent Goodman |
| 1999.03.12.08 | Reroll Pneumatic in PPCo. Full Automation Kit, from Sam Harris |
| 1999.02.24.12 | Reroll Pneumatic in PPCo. Full Automation Kit, from John Dewey |
| 1999.02.23.08 | Reroll Pneumatic in PPCo. Full Automation Kit, from Larry Norman |
| 1999.02.22.13 | Reroll Pneumatic in PPCo. Full Automation Kit, from Sam Harris |
| 1999.01.07.16 | Pamphlet "How to Modify Accordions" at PPCo, from Art Reblitz |
| 1998.07.14.12 | PPCo. PVC-E Glue & Pianola Backache, from John Phillips |
| 1998.04.21.18 | PPCo Reiterating Beater, from Don Teach |
| 1998.04.19.08 | PPCo Reiterating Beater, from Peter Coggins |
| 1997.12.22.15 | PPCo. Likes George Bogatko's Music, from Joyce Brite |
| 1997.12.10.14 | PPCo. Rebuilding Advice, from Craig Brougher |
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