| Year | 1974 |
| Date | 06-Sep |
| Volume | 140 |
| Issue | 3,496 |
| Page | 870 |
| Category | Workshop |
| Part | 11 |
| Title | Workshop Equipment and Materials |
| Author | "Tubal Cain" |
| Notes | Copper pipe, copper sheet, gunmetal, phosphor-bronze, monel metal, German silver (nickel silver), beryllium copper, aluminium alloys, pure aluminium, alloys, miscellaneous metals, conclusion |