| Year | 1939 |
| Date | 13-Jul |
| Volume | 81 |
| Issue | 1,992 |
| Page | 41 |
| Category | Locomotive |
| Part | |
| Title | Lubrication |
| Author | LBSC |
| Notes | A Ratchetless Non-Spillable Mechanical Lubricator. Elimination of the ratchet, killing two birds, constructing the pump barrel, simple check-valve |