| Year | 1939 |
| Date | 04-May |
| Volume | 80 |
| Issue | 1,982 |
| Page | 518 |
| Category | Agricultural |
| Part | |
| Title | A Model Threshing Machine |
| Author | E.Hambrook |
| Notes | Details of construction of an unusual model. Right-hand view, various details, elevation and plan of the shaker, underneath view |