| Year | 1939 |
| Date | 13-Apr |
| Volume | 80 |
| Issue | 1,979 |
| Page | 436 |
| Category | Nautical |
| Part | |
| Title | Model Hydroplane Towing Tests |
| Author | Edgar T.Westbury |
| Notes | Suggestions for increasing the scope of amateur research in hull design. Electrically-driven towing trolley at Short Bros., towing tests, tanks and towing gear, photos of model towed in the tank, seaplane hull testing, straight course towing, the first Empire flying boat Canopus taking off, power driven rotating arm used by Sir Hiram Maxim, practical value of towing tests, circular-course towing, a simple totating-arm towing gear |