| Year | 1985 |
| Date | 05-Jul |
| Volume | 155 |
| Issue | 3,756 |
| Page | 14 |
| Category | Workshop |
| Part | |
| Title | Shankless Milling Chucks and an Extractor/Drawbar |
| Author | Arnold Throp |
| Notes | Type 1 - for Clarkson collets, type 2 - for Osborn collets, type 3 - for Osborn collets, type 4 - for Drummond, extractor/drawbar for use on milling machine |