| Year | 1941 |
| Date | 19-Jun |
| Volume | 84 |
| Issue | 2,093 |
| Page | 488 |
| Category | Railway |
| Part | 20 |
| Title | Railway Signals. Standard Semaphore Types used in Pre-grouping Days |
| Author | O.S.Nock |
| Notes | Great Southern and Western Railway (Ireland). Timber posts, stop signal with subsidiary arm below, the very latest, painting |