| Year | 2013 |
| Date | 13-Dec |
| Volume | 211 |
| Issue | 4,471 |
| Page | 852 |
| Category | Musical |
| Part | 2 |
| Title | An Engineer's Door chime |
| Author | Linton Wedlock |
| Notes | Novelty mechanical music project to welcome house visitors. Getting a good tone, modes of vibration, tuning: methods and equipment, tuning by ear, beats, chime mounting |