| Year | 1950 |
| Date | 29-Jun |
| Volume | 102 |
| Issue | 2,562 |
| Page | 956 |
| Category | In The Workshop |
| Part | 66 |
| Title | Pipe Fittings |
| Author | "Duplex" |
| Notes | Flange joint, flat-faced union, cone union, making unions, component parts of the "Simplifix" union, machining unions, Swage block & punch, machining double-ended union bodies, undercutting |