| Year | 1946 |
| Date | 26-Dec |
| Volume | 95 |
| Issue | 2,381 |
| Page | 644 |
| Category | Workshop |
| Part | |
| Title | Selection and Treatment of Steels for Model Engineers |
| Author | J.Blackburn |
| Notes | Process of manufacture, type of steel, heat treatment, annealing and normalising, colour of equivalent temperatures, examples of typical heat treatment |