| Year | 1988 |
| Date | 01-Jan |
| Volume | 160 |
| Issue | 3,816 |
| Page | 22 |
| Category | Workshop |
| Part | |
| Title | "Universal" Tapholder |
| Author | Stan Smith |
| Notes | Useful device. Design considerations, the body, drive dogs, taper arbor, stub arbor, tee bar, variable lever, grub screw and pad, adapter bushes, mounting block |