| Year | 1999 |
| Date | 26-Feb |
| Volume | 182 |
| Issue | 4,088 |
| Page | 280 |
| Category | Locomotive |
| Part | 11 |
| Title | Hindsight (Locomotive building) |
| Author | Tom Garner (South Africa) |
| Notes | Examines the workings of Hackworth and Baker valve gears. 'Pilloid' (Pilliod?), References, Bernard Ridley, Western Province LS, Ivor Myburgh, Bernard's SAR Class 15F, Basil Palmer with his SAR Class 16E chassis |