| Year | 1978 |
| Date | 01-Dec |
| Volume | 144 |
| Issue | 3,598 |
| Page | 1,413 |
| Category | Portable Engine |
| Part | 18 |
| Title | 1 1/2 in. scale Marshall Portable Steam Engine |
| Author | Ron Kibbey |
| Notes | Safety valves, pillar - front safety valve mounting, cover - front safety valve, arrangement of water pump |