| Year | 1942 |
| Date | 23-Apr |
| Volume | 86 |
| Issue | 2,137 |
| Page | 397 |
| Category | Division Plate Competition |
| Part | |
| Title | Solution to The Division-Plate Problem |
| Author | H.H.Ward |
| Notes | Sketches showing the "chord marker" on the edge of the face-plate, the snap gauge, the bent scriber for making a hairline, marking the 17 divisions |