| Year | 2011 |
| Date | 04-Nov |
| Volume | 207 |
| Issue | 4,416 |
| Page | 642 |
| Category | Locomotive |
| Part | 2 |
| Title | A Close-scale Great Western Screw Reverser |
| Author | John Smith |
| Notes | Describes a faithful design whilst avoiding the tricky task of cutting a multi-start, high-lead, left hand ACME screw and nut. The handle assembly |