| Year | 1951 |
| Date | 26-Apr |
| Volume | 104 |
| Issue | 2,605 |
| Page | NULL |
| Category | Cover Picture |
| Part | |
| Title | Marine engines |
| Author | |
| Notes | At the Third Northern Models Exhibition. Compound marine engine by E.B.Wilcox, triple-expansion marine engine by R.Jacques, vertical steam engine by F.Knowles |