| Year | 1945 |
| Date | 19-Apr |
| Volume | 92 |
| Issue | 2,293 |
| Page | 375 |
| Category | Internal Combustion |
| Part | |
| Title | Experiments in Four-stroke Engine Design. A review of several years' efforts to improve the breed of model petrol engines for speed-boat propulsion and other purposes |
| Author | Edgar T.Westbury |
| Notes | The "Kittiwake" 15-c.c. engine. Rocker box, rocker box cover, rocker pivots, push-rod tube, variations in valve gear dimensions, valve springs, leaf springs |