| Year | 1933 |
| Date | 30-Nov |
| Volume | 69 |
| Issue | 1,699 |
| Page | 519 |
| Category | Something to Make |
| Part | |
| Title | A Model Vertical Two-Cylinder Hydraulic Pump |
| Author | "Driving Wheel" |
| Notes | Side and end elevations, cylinders and plunger, part sectional end elevation through one cylinder and bedplate, details of some of the components |