| Year | 1962 |
| Date | 06-Dec |
| Volume | 127 |
| Issue | 3,204 |
| Page | 736 |
| Category | General |
| Part | |
| Title | Trolleys without rails |
| Author | Harold Brearley |
| Notes | Origins of a public transport system. Ernst Werner von Siemens, Dresden trolleybus, Schliemann's trolley, Lloyd Kohler, first in Bradford, car No 3 of Societa Per La Trazione Electrica at Filovia |