| Year | 1993 |
| Date | 01-Jan |
| Volume | 170 |
| Issue | 3,936 |
| Page | 11 |
| Category | Correction |
| Part | 13 |
| Title | Beginners Guide to Model Locomotive Building |
| Author | Martin Evans |
| Notes | Some Last Thoughts on Boilers. Discusses boiler testing, fittings, smokeboxes, safety valves and related matters. Superheaters, regulators, safety valve designed by the late H.W.Holmes |