| Year | 1926 |
| Date | 25-Mar |
| Volume | 54 |
| Issue | 1,300 |
| Page | 328 |
| Category | Horology |
| Part | |
| Title | Freak Clocks. Has Perpetual Motion Been Solved at Last? |
| Author | |
| Notes | Containing a large number of curious and ingenious mechanical movements, perspective sketch of the shafts and a cam, sketch of escapement, the escapement |