| Year | 1948 |
| Date | 09-Dec |
| Volume | 99 |
| Issue | 2,481 |
| Page | 613 |
| Category | Workshop |
| Part | |
| Title | Forming Screw-Threads |
| Author | A.N.Appleby |
| Notes | Hand tap for general purpose, taps, dies, chaser, die-heads, hand chaser, single point cutting, screw thread grinding, thread milling, thread rolling, conclusion |