| Year | 1911 |
| Date | 24-Aug |
| Volume | 25 |
| Issue | 539 |
| Page | 174 |
| Category | Railway |
| Part | |
| Title | An Automatically Operated Electric Railway |
| Author | W.M.Graham |
| Notes | Diagram of signal connections, automatic switch showing construction & connections, automatic signal, general & station plan |