| Year | 1954 |
| Date | 06-May |
| Volume | 110 |
| Issue | 2,763 |
| Page | 487 |
| Category | Nautical |
| Part | |
| Title | A Simple Valve Gear for flash Steam Engines |
| Author | J.A.Bamford |
| Notes | "Hero" as first launched, stark simplicity, cylinder head and disc valve, elementary CO2 engine, showing piston with valve spike, valve details, general arrangement of engine in section, wedging gasket joint, trouble ahead, engine with mechanical pump, showing the boat sinking at end of run, down to the pond, analysing the snags |