| Year | 1958 |
| Date | 14-Aug |
| Volume | 119 |
| Issue | 2,986 |
| Page | 210 |
| Category | Locomotive |
| Part | |
| Title | Hackworth valve gear |
| Author | LBSC |
| Notes | The outside variation, arrangement of inside gear, exit the slideshaft, evading the vertical error, horizontal gears, arrangement for inside valve spindles, Southern valve gear, Rainhill's cylinder lubricator |