| Year | 1985 |
| Date | 15-Nov |
| Volume | 155 |
| Issue | 3,765 |
| Page | 570 |
| Category | Nautical |
| Part | 4 |
| Title | A Marine Triple Expansion Engine. The O.B.Bolton design |
| Author | J.P.Bertinat |
| Notes | Mounting of bottom covers on cylinder blocks, valve chest covers, piston rod glands, making studs, the pistons |