| Year | 2020 |
| Date | 25-Sep |
| Volume | 225 |
| Issue | 4,648 |
| Page | 468 |
| Category | Locomotive |
| Part | 3 |
| Title | An Improved 'Black 5' Regulator |
| Author | Richard Williams |
| Notes | Converts his 5 inch Gauge 'Black 5' Stroudley regulator to use a process ball valve. Assembly and installation in the loco, ball valve supplier |