| Year | 1981 |
| Date | 07-Aug |
| Volume | 147 |
| Issue | 3,662 |
| Page | 940 |
| Category | Internal Combustion |
| Part | |
| Title | A Direct Reversing Model Internal Combustion Marine Engine |
| Author | S.Hamon |
| Notes | Werkspoor valve reversing system, under piston supercharging, control & auto start circuit, Burmeister-Wain reversing system |