| Year | 1929 |
| Date | 15-Aug |
| Volume | 61 |
| Issue | 1,475 |
| Page | 150 |
| Category | Steam |
| Part | |
| Title | Model Compound Steam Engine Construction. Some Details of Methods and Processes Used in Making the Components |
| Author | |
| Notes | Mr Ballantyne's model, general note, three-quarter back view, the sight-feed lubricator and reservoir |