| Year | 1935 |
| Date | 28-Feb |
| Volume | 72 |
| Issue | 1,764 |
| Page | 205 |
| Category | Trade |
| Part | |
| Title | New Principles in Lubrication ("Keenolisation". Alexander Duckham) |
| Author | |
| Notes | Illustrations showing comparison between a friction disc lubricated with ordinary good class oil and one coated with Keenol lubricant |