| Year | 1954 |
| Date | 01-Apr |
| Volume | 110 |
| Issue | 2,758 |
| Page | 358 |
| Category | Musical |
| Part | |
| Title | Musical Mechanism |
| Author | "Aeolus" |
| Notes | The Reconstruction of an Old Polyphon. The clockwork movement, part of the baseplate, dampers and brakes, mandrel for star wheel filing jig |