| Year | 2007 |
| Date | 02-Feb |
| Volume | 198 |
| Issue | 4,292 |
| Page | 139 |
| Category | Horology |
| Part | |
| Title | Modifications to the M.E. Jubilee Clock |
| Author | Daniel and William Henderson |
| Notes | Describe some interesting modifications to this popular design. The author's clock, general mechanical arrangement, change to the design, infrared source and detector assembly, controller, gathering pawl and sensor arrangement, software, control system, controller circuit, operation, some final thoughts, references, a close up view of the sensor components |