| Year | 1992 |
| Date | 07-Aug |
| Volume | 169 |
| Issue | 3,926 |
| Page | 163 |
| Category | Railway |
| Part | |
| Title | A Railway Mystery |
| Author | Dave Lammas |
| Notes | A mundane repair job. The plot thickens, a little railway history, North British Railway relic, The Pumpherston Oil Coy. Ltd. |