| Year | 1943 |
| Date | 25-Nov |
| Volume | 89 |
| Issue | 2,220 |
| Page | 506 |
| Category | Nautical |
| Part | |
| Title | An Unusual Prototype Boat |
| Author | A.C.Clark |
| Notes | Cover picture, the model coaster Salvage in dock, a sectional view of the control valve, details of the silent paraffin burner, general arrangement of balanced boiler control |