| Year | 2013 |
| Date | 08-Feb |
| Volume | 210 |
| Issue | 4,449 |
| Page | 240 |
| Category | Horology |
| Part | |
| Title | Cherry Jam Spirit Lamp |
| Author | Keith Johnson |
| Notes | Makes a simple tool to blue clock parts. Start collecting, construction, wick sleeve, top and bottom clamping rings, the cap, modifying the lid, assembly, screw holding tool, observing the colour change |