| Year | 1950 |
| Date | 19-Oct |
| Volume | 103 |
| Issue | 2,578 |
| Page | 585 |
| Category | Portable Engine |
| Part | |
| Title | The Passing of the "Portable" Engine |
| Author | B.C.J. |
| Notes | Model of Robey's portable steam engine (Science Museum), the portable engine as a model, Marshall's single-and twin-cylinder semi-portable engine, test of a portable engine, Marshall's portable engine with cylindrical firebox, a semi-portable engine if olden days, attractions of a sea-side town (Newhaven), more portables, and to conclude |