| Year | 1957 |
| Date | 07-Feb |
| Volume | 116 |
| Issue | 2,907 |
| Page | 211 |
| Category | Workshop Topics |
| Part | |
| Title | Broadside for the back-room boys |
| Author | Martin Cleeve |
| Notes | Countersinks, fabricated special-purpose milling machine, reducing noise, why castings? Some failures! Strange markings on freshly sawn mild steel |