| Year | 2015 |
| Date | 26-Jun |
| Volume | 215 |
| Issue | 4,511 |
| Page | 23 |
| Category | Stationary Engine |
| Part | 8 |
| Title | Helping Dad make a True Vertical Mill Engine |
| Author | Stewart Hart |
| Notes | Describes another engine ideal for encouraging youngsters. Trial assembly, stop valve assembly, valve spindle, flange, air connection assembly, base, conclusion |