| Year | 1934 |
| Date | 18-Jan |
| Volume | 70 |
| Issue | 1,706 |
| Page | 60 |
| Category | Locomotive |
| Part | |
| Title | Loco. Prototypes. News and Notes |
| Author | Chas. S.Lake |
| Notes | A Powerful Electric Express Locomotive (Pennsylvania R.R.), New 4-8-4 Type Locomotives for New Zealand. locomotive tractive Effort, Drawbar Horse-power, and Ratio of Adhesion |