| Year | 1928 |
| Date | 20-Dec |
| Volume | 59 |
| Issue | 1,441 |
| Page | 583 |
| Category | Workshop Topics |
| Part | |
| Title | Model Compound Steam Engine Construction. Some Details of Methods and Processes Used in Making the Components |
| Author | |
| Notes | General notes and photos, the construction of the steam valve, some simple forms of plug cock resembling screw-down valves |