| Year | 2013 |
| Date | 15-Nov |
| Volume | 211 |
| Issue | 4,469 |
| Page | 710 |
| Category | Musical |
| Part | |
| Title | An Engineer's Door chime |
| Author | Linton Wedlock |
| Notes | Novelty mechanical music project to welcome house visitors. How it works, door chime design, a fully mechanical system, making chimes, chime cutting summary |