| Year | 1953 |
| Date | 26-Feb |
| Volume | 108 |
| Issue | 2,701 |
| Page | 280 |
| Category | In the Workshop |
| Part | |
| Title | Making a Draughting Machine |
| Author | "Duplex" |
| Notes | The drawing board, the construction, the link bar and upper arms, the fulcrum plate, the head plate, the index plate |