| Year | 1922 |
| Date | 17-Aug |
| Volume | 47 |
| Issue | 1,112 |
| Page | 149 |
| Category | Stationary Engine |
| Part | |
| Title | A Model Reversible Oscillating Engine with Slide-Valve Cylinder |
| Author | G.Gentry |
| Notes | Side elevation, end view, plan, cross section through centre of oscillating cylinder showing trunnions and steam exhaust pipe connections, valve motion, eccentric rod ,gab, cross-head |