| Digest Nr | Subject and Author |
 |
| 2012.06.21.06 | Disassembling a Duo-Art Rotary Pump, from Ralph Nielsen |
| 2012.06.21.05 | Disassembling a Duo-Art Rotary Pump, from Bill Chapman |
| 2012.06.19.01 | Disassembling a Duo-Art Rotary Pump, from David Theis |
| 2004.08.15.03 | Disassembling Deleika Crank Organ, from Mike Knudsen |
| 2004.08.13.10 | Disassembling Deleika Crank Organ, from John Farmer |
| 2004.08.05.01 | Disassembling Deleika Crank Organ, from Derry Fishel |
| 1998.01.01.18 | Disassembling & Restoring Ampico Valve Blocks, from John A. Tuttle |
 |