| Year | 1941 |
| Date | 18-Sep |
| Volume | 85 |
| Issue | 2,106 |
| Page | 237 |
| Category | Workshop |
| Part | |
| Title | Practical Notes on Welding Copper Sheet |
| Author | A.J.T.Eyles |
| Notes | Edges on thin copper sheet prepared for welding, butt joint, preparation of edges for welding, bevelled joint on thick copper, edges flanged before bending sheet, longitudinal cylinder seam, asbestos covered mandrel, cold hammering, copper tube butt weld |