| Year | 1918 |
| Date | 09-May |
| Volume | 38 |
| Issue | 889 |
| Page | 281 |
| Category | Munition Workshop Practice |
| Part | 3 |
| Title | Screw-cutting Simply Explained for Munition Workers |
| Author | G.Gentry |
| Notes | Compound trains, a single compound train, compound train with idle wheel, direction of rotation of lead screw, a double compound train, sets of wheels usually employed |