| Year | 1980 |
| Date | 19-Dec |
| Volume | 146 |
| Issue | 3,647 |
| Page | 1,524 |
| Category | Locomotive |
| Part | 2 |
| Title | A Compact Twin-Cylinder Mechanical Lubricator |
| Author | M.J.H.Ellis |
| Notes | Case (or body), rams, crankshaft sleeve, spacing sleeve, ratchet wheel, ratchet lever, pawl pivots, pawls, port passages |