| Year | 1916 |
| Date | 31-Aug |
| Volume | 35 |
| Issue | 801 |
| Page | 133 |
| Category | Workshop |
| Part | |
| Title | Screws and Screw-Cutting |
| Author | G.M.Grace |
| Notes | Types of screw heads - round, counter-sunk & cheese-head, method of avoiding back lash, multiple screw threads, screw cutting, chaser, traversing mandrel method, method of avoiding end-play, cutting screws with a lead screw, cutting mm. pitch screws with Whitworth lead screw, drill for cutting internal screws in wood, tools for cutting screws in steel, method of procedure, micrometers for screw heads to slide rest, tool for cutting V threads, square thread |