| Year | 2006 |
| Date | 18-Aug |
| Volume | 197 |
| Issue | 4,280 |
| Page | 193 |
| Category | Lathe |
| Part | 4 |
| Title | B.C.A. Jig Borer |
| Author | Tony Griffiths |
| Notes | Turns his attention to the 'ultimate' small jig borer/precision milling machine. Early examples, Mk 2, Mk 3, Tenga Engineering, B.C.A. optical jig borer |