| Year | 1941 |
| Date | 05-Jun |
| Volume | 84 |
| Issue | 2,091 |
| Page | 449 |
| Category | Railway |
| Part | 19 |
| Title | Railway Signals. Standard Semaphore Types used in Pre-grouping Days |
| Author | O.S.Nock |
| Notes | Furness Railway. A group of typical semaphore signals (photo by H.Gordon Tidey |