| Year | 1918 |
| Date | 16-May |
| Volume | 38 |
| Issue | 890 |
| Page | 297 |
| Category | Munition Workshop Practice |
| Part | 4 |
| Title | Screw-cutting Simply Explained for Munition Workers |
| Author | G.Gentry |
| Notes | A method of notation, calculating simple trains for cutting threads, a simple & a single compound train of wheels |