| Year | 2022 |
| Date | 01-Jul |
| Volume | 229 |
| Issue | 4,694 |
| Page | 74 |
| Category | Horology |
| Part | 1 |
| Title | Electronic Hipp Toggle Circuit |
| Author | Carl Wilson |
| Notes | Applies 'hit and miss' principles to the drive for a balance wheel clock. Introduction, large balance wheel clock, pendulum test stand, the Hipp system, magnet and coil, pendulum bob, flag and optos, detection, decision: schematic and block diagrams |