| Year | 1974 |
| Date | 06-Sep |
| Volume | 140 |
| Issue | 3,496 |
| Page | 840 |
| Category | Road Locomotive |
| Part | 22 |
| Title | Building the Allchin |
| Author | W.J.Hughes |
| Notes | Chimney Barrel, front wheels, assembly, the cylinder arrangement, setting out the cylinder, setting up and boring |