| Year | 1996 |
| Date | 16-Aug |
| Volume | 177 |
| Issue | 4,023 |
| Page | 191 |
| Category | Post Bag |
| Part | |
| Title | Research and other matters |
| Author | Jim Ewins |
| Notes | Market research? (Miniature locomotives), Mick Savage; Parkinson lathe, Frank D.Woodall; Model locomotive efficiency, Douglas Follett |