| Year | 1953 |
| Date | 28-May |
| Volume | 108 |
| Issue | 2,714 |
| Page | 638 |
| Category | Lathe |
| Part | |
| Title | Bringing It Up To Date. Unit countershaft for an M.L.4 |
| Author | Terry Aspin |
| Notes | Unit countershaft for an M.L.4. Patterns and castings, machining and assembly, bearing arm pattern, moulding, a fly-cutter |