| Year | 1974 |
| Date | 20-Sep |
| Volume | 140 |
| Issue | 3,497 |
| Page | 905 |
| Category | Photographic |
| Part | |
| Title | Photo-Etching for Model Engineers |
| Author | J.Ewins |
| Notes | Outline of the technique, preparation of the photographic film, preparation of the metal plate, exposing the plate, etching, finishing the plate, warning |