| Year | 1925 |
| Date | 01-Jan |
| Volume | 52 |
| Issue | 1,236 |
| Page | 18 |
| Category | Lathe |
| Part | |
| Title | A Novel Lathe Attachment (Drilling central holes in turned work) |
| Author | Percy Norton |
| Notes | Components, gear-cutting attachment mounted on lathe, overhead gear, as an eccentric cutter, details, arranged for grinding, the examples of work with eccentric cutter, the photographs and comments |