| Year | 2016 |
| Date | 05-Aug |
| Volume | 217 |
| Issue | 4,540 |
| Page | 249 |
| Category | Nautical |
| Part | 7 |
| Title | Mariner A Two Cylinder Vertical Engine |
| Author | Chris Walter |
| Notes | Continues with his description of a freelance marine type engine. Valve rods and guides, slide valves and driving nuts, valve rod seal retainer, valve rod forks, eccentrics, eccentric straps |