| Year | 1929 |
| Date | 03-Jan |
| Volume | 60 |
| Issue | 1,443 |
| Page | 19 |
| Category | Steam |
| Part | |
| Title | Model Compound Steam Engine Construction. Some Details of Methods and Processes Used in Making the Components |
| Author | |
| Notes | Some general photographs, sketch of amended form of main bearing caps with square oil boxes, finished worm gear for reversing and steam valve, the amended bearing caps, formidable array of patterns |