| Year | 1993 |
| Date | 16-Apr |
| Volume | 170 |
| Issue | 3,943 |
| Page | 448 |
| Category | Stationary Engine |
| Part | 9 |
| Title | Sally. The Stuart Models S50 Mill Engine |
| Author | Tubal Cain |
| Notes | Describes the remaining components. Slide valve and nut, forked end, gland packing, steam chest, eccentric, valve timing, running test |