| Year | 1920 |
| Date | 26-Feb |
| Volume | 42 |
| Issue | 983 |
| Page | 204 |
| Category | General |
| Part | |
| Title | Mechanical Road Traction |
| Author | C.G.Conradi |
| Notes | Electric vehicles, petrol-electric vehicles, electrical connections of the Tilling-Stevens system, diagram of energy consumption of electric vehicles, Bradford vehicle running on battery, trackless trolley route, & earthing shoe (cross) |