| Year | 1944 |
| Date | 02-Nov |
| Volume | 91 |
| Issue | 2,269 |
| Page | 427 |
| Category | Locomotive |
| Part | |
| Title | Modified Details on an "1831" |
| Author | Ian Bradley |
| Notes | Comments by the designer of "1831". a close-up of the bridge piece in position, details, plan view showing gap in frame and extra rim fitted to flywheel |