| Year | 1957 |
| Date | 12-Dec |
| Volume | 117 |
| Issue | 2,951 |
| Page | 796 |
| Category | Nautical |
| Part | |
| Title | Power for model boats |
| Author | Edgar T.Westbury |
| Notes | Steam plants. The Bond marine steam plant, feed pumps, twin-screw gearbox for St Ninian, methods of installation, reversing and reduction gears, a twin-screw gearbox, on the Warrior engine |