| Year | 1991 |
| Date | 01-Feb |
| Volume | 166 |
| Issue | 3,890 |
| Page | 144 |
| Category | Locomotive |
| Part | 3 |
| Title | Control it |
| Author | Dr. Mark Phillips |
| Notes | Describes the development of a successful electronic speed control system for battery - electric locomotives. Heat loss, construction |