| Year | 1952 |
| Date | 06-Nov |
| Volume | 107 |
| Issue | 2,685 |
| Page | 612 |
| Category | Workshop |
| Part | |
| Title | An Improved "Duplex" Hacksaw Machine |
| Author | E.M.Thomas |
| Notes | View of complete machine, carriage sude members, beam guide arm, crank web, big-end bearing cap, weight locking bolt |