| Year | 2014 |
| Date | 13-Jun |
| Volume | 212 |
| Issue | 4,484 |
| Page | 846 |
| Category | Nautical |
| Part | |
| Title | The Piston Valve Supplement |
| Author | James Lauder |
| Notes | Comes clean about some unfinished business. (Piston valve details for the Compound Condensing Marine Engine), part two: aftermath |