| Year | 1957 |
| Date | 04-Apr |
| Volume | 116 |
| Issue | 2,915 |
| Page | 496 |
| Category | Electronic |
| Part | |
| Title | Reversing by radio |
| Author | Edgar T.Westbury |
| Notes | Improving manoeuvring controls in i.c. engined boats. Principles of reversing gears, bevel cluster gears, reversing without gears, has its critics, simple reverse gear, construction of gearbox, Bontor & Marshall friction-drive reversing gear, oil holes |