| Year | 1907 |
| Date | 13-Jun |
| Volume | 16 |
| Issue | 320 |
| Page | 560 |
| Category | Stationary Engine |
| Part | 6 |
| Title | A Design for a Small Model Undertype Engine |
| Author | Henry Greenly |
| Notes | Eccentrics and eccentric rods, eccentric strap, stop collar for reversing, ordinary eccentric for non-reversing engine |