| Year | 2011 |
| Date | 11-Mar |
| Volume | 206 |
| Issue | 4,399 |
| Page | 342 |
| Category | Portable Engine |
| Part | |
| Title | A 1:6 Scale Barrett, Exall and Andrewes Portable Engine |
| Author | Tony Webster |
| Notes | Introduces a model building exercise for beginners to model engineering. The model engine, the portable engine, Barrett, Exall and Andrews, the boiler, no castings needed, what scale? |