| Year | 1944 |
| Date | 30-Nov |
| Volume | 91 |
| Issue | 2,273 |
| Page | 511 |
| 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 | Lubrication improvements, the "Kiwi" engine after fitting forced lubrication, another view, sectional end and side elevations, of attachment, oil pump experiments, plan view of sump base, cylinder-head improvements, perspective view of sump |