| Year | 1920 |
| Date | 08-Jan |
| Volume | 42 |
| Issue | 976 |
| Page | 41 |
| Category | Lathe |
| Part | |
| Title | Mandrel Bearings |
| Author | H.H.Jones |
| Notes | Materials, the relationship of lubricants to bearings of various shapes, a simple ensemble, lubrication, a nearly perfect ensemble, the ensemble |