| Year | 1927 |
| Date | 01-Dec |
| Volume | 57 |
| Issue | 1,386 |
| Page | 526 |
| Category | Practical Letters from Our Readers |
| Part | |
| Title | Speed Boats on Straight and Circular Courses |
| Author | G.M.Suzor |
| Notes | Automatic stopping device for fast boats run on the straight course, device to be inserted in the tethering line of boats run on the circular course |