| Year | 1922 |
| Date | 29-Jun |
| Volume | 46 |
| Issue | 1,105 |
| Page | 619 |
| Category | Workshop |
| Part | |
| Title | A Combination Precision Lathe, Horizontal and Vertical Milling and Gear Cutting Machine |
| Author | Geo. Gentry |
| Notes | Evolved and patented by A.C.Jackson and son. Set up as plain hand turning tool, mandrel raised to high centres, special foot casting, as ordinary milling machine, with special dividing head, standing vertical, specimens of work |