| Year | 1931 |
| Date | 02-Jul |
| Volume | 65 |
| Issue | 1,573 |
| Page | 7 |
| Category | Workshop Topics |
| Part | |
| Title | The Design and Construction of a Worm and Index Dividing Accessory Fitted to a Small Lathe |
| Author | Geo. Gentry |
| Notes | General note, the worm-wheel, the worm-gear, the index dividing gear, the details, points in machining the blocks, the card discs |