| Year | 1919 |
| Date | 04-Dec |
| Volume | 41 |
| Issue | 971 |
| Page | 513 |
| Category | Steam |
| Part | |
| Title | A Double-Acting Vertical Steam Engine. 51 mm. X 51 mm. |
| Author | "Axle" |
| Notes | Front sectional elevation & end elevation, cylinder, plan & details of bedplate, rear column, pattern for cylinder showing the core prints, mounting the rear column for machining, details, piston & connecting rods |