| Year | 1920 |
| Date | 14-Oct |
| Volume | 43 |
| Issue | 1,016 |
| Page | 310 |
| Category | Workshop |
| Part | |
| Title | Some Modern Machine and Hand Tools |
| Author | Geo. Gentry |
| Notes | Belt fasteners, nibbling machine for cutting sheet metal, grinding & metal disc sawing machines, three-in-one combination machine, machine hacksaw, ball-bearing head, high-speed disc cutting machine, hand power machine hacksaw, hand or foot power grinder |