| Year | 2020 |
| Date | 28-Aug |
| Volume | 225 |
| Issue | 4,646 |
| Page | 337 |
| Category | Locomotive |
| Part | 2 |
| 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. Ball valve supplier, machining the main regulator body, machining the ball valve spigot, creating the anchor arm, mounting the ball valve onto the body, operating mechanism |