| Year | 1949 |
| Date | 29-Sep |
| Volume | 101 |
| Issue | 2,523 |
| Page | 424 |
| Category | Lathe |
| Part | |
| Title | Lathe Centres and a Collet Chuck |
| Author | A.R.Turpin |
| Notes | Morse taper cleaners, taper pin fitting to top slide quadrant, details of collet chuck and circlip, set of collets and nose-piece, operations chart |