| Clue | Source | Date |
|---|---|---|
| A Joseph Swan invention enabled an early electric version of these to be turned on in Newcastle in 1879 | The Times Specialist Sunday | 05 Oct 2025 |
| 'Strings of ___' (Silver Bells) (6,6) | ||
| Exceptional girls test the apparatus, illuminating the way (12) | ||
| Courses about Pale provides illumination | Irish Times Crosaire | 04 Jul 2019 |
| By the way, they're needed to see the cat's eyes | Irish Times Crosaire | 17 Feb 2017 |