| Year | 1986 |
| Date | 21-Nov |
| Volume | 157 |
| Issue | 3,789 |
| Page | 547 |
| Category | Nautical |
| Part | 16 |
| Title | A Marine Triple Expansion Engine. The O.B.Bolton design |
| Author | J.P.Bertinat |
| Notes | A small correction, eccentric straps, drag links, reversing levers, weighshaft operating lever, the operating gear, reversing crank, valve gear operating link, handwheel, erection of operating gear |