| Year | 1927 |
| Date | 11-Aug |
| Volume | 57 |
| Issue | 1,370 |
| Page | 123 |
| Category | Locomotive |
| Part | |
| Title | "Helen Long". 2 1/2-in. Gauge 4-8-4 |
| Author | LBSC |
| Notes | Lubricators for outside cylinders, constructional details, steam and exhaust connections, oiling details, diagram of pipework, chassis oddments, bird's eye view of "Helen's" chassis |