| Year | 1966 |
| Date | 18-Nov |
| Volume | 132 |
| Issue | 3,309 |
| Page | 980 |
| Category | Internal Combustion |
| Part | 3 |
| Title | Four-Stroke Petrol-Engines |
| Author | Edgar T.Westbury |
| Notes | A review of progress in pre- and post-war years. A new engine (Kittiwake), inclined valves, increased weight, Kittiwake engine at Bedford SME exhibition |