| Year | 2014 |
| Date | 07-Feb |
| Volume | 212 |
| Issue | 4,475 |
| Page | 232 |
| Category | Musical |
| Part | 4 |
| Title | An Engineer's Door chime |
| Author | Linton Wedlock |
| Notes | Novelty mechanical music project to welcome house visitors. Electrical components, notes, cylinder pegs, peg layout, cylinder and chime options, your own music |