| Year | 1977 |
| Date | 15-Apr |
| Volume | 143 |
| Issue | 3,559 |
| Page | 465 |
| Category | Portable Engine |
| Part | 7 |
| Title | 1 1/2 in. scale Marshall Portable Steam Engine |
| Author | W.J.Hughes |
| Notes | Motion work, eccentric and strap, eccentric and valve rod, slide valve and buckle, piston and rod, crosshead components, the connecting rods |