| Year | 1997 |
| Date | 10-Oct |
| Volume | 179 |
| Issue | 4,052 |
| Page | 448 |
| Category | Workshop |
| Part | 2 |
| Title | Wormwheel Hobbing Attachment |
| Author | Ivan Law |
| Notes | Begins his description. Base plate. support bush, nuts, nut, vertical shaft, worm mounting bracket, wormshaft and drive pin |