| Year | 1959 |
| Date | 26-Mar |
| Volume | 120 |
| Issue | 3,018 |
| Page | 374 |
| Category | Locomotive |
| Part | |
| Title | Diesel Locomotive Pioneer |
| Author | Kyrle W.Willans |
| Notes | Today's trends in locomotive building. Few experiments, original Sentinel tractor, early diesel locomotive by Kerr Stuart and Co., quarry problem |