| Year | 2018 |
| Date | 03-Aug |
| Volume | 221 |
| Issue | 4,592 |
| Page | 248 |
| Category | Internal Combustion |
| Part | 6 |
| Title | Two Pistons and Three Con Rods |
| Author | Wolfgang Tepper |
| Notes | Describes a water-cooled four-stroke opposed-piston engine. Carburetto (carburettor?), operation |