| Year | 2014 |
| Date | 07-Mar |
| Volume | 212 |
| Issue | 4,477 |
| Page | 392 |
| Category | Musical |
| Part | 5 |
| Title | An Engineer's Door chime |
| Author | Linton Wedlock |
| Notes | Novelty mechanical music project to welcome house visitors. Finding the chime lengths, conclusion, see 219 4570 511 |