| Year | 1923 |
| Date | 25-Oct |
| Volume | 49 |
| Issue | 1,174 |
| Page | 454 |
| Category | Railway |
| Part | 10 |
| Title | Some Notes on the Development of Railway Signalling |
| Author | E.H.Ellingham |
| Notes | Lay-out of a Junction. Simple junction, Wrawby Junction L.N.E.R. (G.C. section), complicated signal layout at Liverpool Street Station L. & N.E.R. (G.E. section), time tables |