| Year | 1998 |
| Date | 04-Dec |
| Volume | 181 |
| Issue | 4,082 |
| Page | 696 |
| Category | Locomotive |
| Part | |
| Title | A Variable Output Mechanical Lubricator |
| Author | D.A.G.Brown |
| Notes | A reliable twin-cylinder pump. Principle of operation, tank construction, mechanism, top block and crankshaft, operating gear, setting up and operating |