| Digest Nr | Subject and Author |
 |
| 2016.07.28.04 | Price & Teeple Circular Airmotor Patent Drawing, from Bill Luecht |
| 2016.07.25.07 | Price & Teeple Circular Airmotor Patent Drawing, from Dana Johnson |
| 2016.07.19.05 | Price & Teeple Circular Airmotor, from Dave Saul |
| 2016.07.18.05 | Price & Teeple "Hat Box" Circular Airmotor, from Luke Myers |
| 1997.01.05.08 | Re: Circular Cutter Sharpeners, from John Phillips |
| 1997.01.03.02 | Introduction and Circular Cutter Sharpeners, from Meta Brown |
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