| Year | 1939 |
| Date | 06-Apr |
| Volume | 80 |
| Issue | 1,978 |
| Page | 413 |
| Category | Stationary Engine |
| Part | |
| Title | Building an Engine from Parts |
| Author | W.Hubert Foster |
| Notes | A Reader's Version of a Well-Known Design. View of engine, the Stuart "Sun", side view (photos by W.H.Foster) |