| Year | 1932 |
| Date | 28-Jul |
| Volume | 67 |
| Issue | 1,629 |
| Page | 84 |
| Category | Turning Tools |
| Part | 1 |
| Title | Lathe Tools for Square Threads. With Notes on Cutting and Measuring |
| Author | A.T.G. |
| Notes | Elements of the square thread, pitch and lead, tools for cutting square threads, cutting and measuring square threads |