| Year | 1990 |
| Date | 16-Nov |
| Volume | 165 |
| Issue | 3,885 |
| Page | 592 |
| Category | Railway |
| Part | 8 |
| Title | Vacuum Brakes. An Automatic Vacuum Braking System as used by Birmingham S.M.E. |
| Author | Brian Hughes |
| Notes | Described. Brake maintenance, variations on the theme, further developments, LMS combined vacuum & steam brake valve fitted to Alan Ruston's 5"g. compound |