| Year | 2021 |
| Date | 24-Sep |
| Volume | 227 |
| Issue | 4,674 |
| Page | 442 |
| Category | Locomotive |
| Part | |
| Title | Locomotive Draughting |
| Author | John Hill |
| Notes | Reminds us that the draughting on a locomotive cab have a dramatic effect on performance. Preamble, blast pipe alignment, blast pipe cap height, blast pipe cap orifice, adjustable height blast cap |