| Year | 2011 |
| Date | 16-Dec |
| Volume | 207 |
| Issue | 4,419 |
| Page | 848 |
| Category | Locomotive |
| Part | 4 |
| Title | Building a Gauge 3 Dee |
| Author | Dick Allen |
| Notes | Builds an enlarged version of the Gauge 1 Dee. Eccentric straps, cylinder block, valve cover plates and guides, pistons and rear covers, acknowledgment |