| Year | 1937 |
| Date | 09-Dec |
| Volume | 77 |
| Issue | 1,909 |
| Page | 573 |
| Category | Tool-Room Topics |
| Part | |
| Title | Drawing Shells from Blanks |
| Author | R.Hutcheson |
| Notes | The principle of drawing, resiliently mounted pressure ring, the principle of the combination blanking and cupping tool, of the double-action blanking and cupping tool |