| Year | 1941 |
| Date | 03-Apr |
| Volume | 84 |
| Issue | 2,082 |
| Page | 273 |
| Category | Model Aeronautics |
| Part | |
| Title | Scaling up Drawings |
| Author | Lawrence H.Sparey |
| Notes | The first step, a 38-in. span petrol-driven model by Mr Curwen powered with a 1 1/2 c.c. engine, marked positions of components, drawing instruments |