| Year | 1936 |
| Date | 05-Nov |
| Volume | 75 |
| Issue | 1,852 |
| Page | 447 |
| Category | Locomotive |
| Part | |
| Title | Shops, Shed and Road. A Column of "Live Steam" |
| Author | LBSC |
| Notes | The "dog track" (the new Polar route, photos by C.J.Grose), colour-lights on an "up-and-downer", simple automatic colour-light signalling |