| Year | 1931 |
| Date | 06-Aug |
| Volume | 65 |
| Issue | 1,578 |
| Page | 134 |
| Category | Locomotive |
| Part | |
| Title | Multi-purpose Steam Cylinders. Principally for Outside Cylinder Model Locomotives |
| Author | Geo. Gentry |
| Notes | General note, specification of cylinders as given in the drawings, range of types and scales covered by these patterns, range of types and scales covered by the design and using other patterns, the drawings, machining, the cylinder covers |