| Year | 1925 |
| Date | 20-Aug |
| Volume | 53 |
| Issue | 1,269 |
| Page | 230 |
| Category | Beam Engine |
| Part | |
| Title | A Model Non-Condensing Beam Engine |
| Author | Geo. Gentry |
| Notes | An Example of Early Model-Making. Elevation, crank end view, cylinders and parallel motion, lattice eccentric rod, repairs, boring new strap from the solid |