| Year | 2009 |
| Date | 02-Jan |
| Volume | 202 |
| Issue | 4,342 |
| Page | 36 |
| Category | Workshop |
| Part | |
| Title | Jacobs Chucks. Overhauling and another use |
| Author | John Harris |
| Notes | Offers a money saving suggestion. Overhaul, dismantling, reassembly, safety modifications, home-made mount |