| Year | 1951 |
| Date | 01-Mar |
| Volume | 104 |
| Issue | 2,597 |
| Page | 299 |
| Category | Hot Air |
| Part | |
| Title | A Spirit-Fired Hot-Air Engine |
| Author | Mark Wyer |
| Notes | Close-up view showing controls and governor details, the methylated spirit burner, rear view showing spirit tank, engine lifted out of casing |