| Year | 1933 |
| Date | 13-Apr |
| Volume | 68 |
| Issue | 1,666 |
| Page | 348 |
| Category | Steam |
| Part | |
| Title | A Design for a Spring Injection Mechanical Cylinder Lubricator |
| Author | Henry Greenly |
| Notes | General arrangement, detail of pump body and plunger, cam, ratchet wheel, pawl, lever and gland, making a single bearing body |