| Year | 2015 |
| Date | 03-Apr |
| Volume | 214 |
| Issue | 4,505 |
| Page | 512 |
| Category | Stationary Engine |
| Part | 5 |
| Title | Helping Dad make a True Vertical Mill Engine |
| Author | Stewart Hart |
| Notes | Describes another engine ideal for encouraging youngsters. Cylinder base plate, pillar assembly, dome nut, rotund, parallel bar, washer and stud, bearing stand assembly, crankshaft assembly, valve stem guide assembly |