| Year | 1931 |
| Date | 12-Mar |
| Volume | 64 |
| Issue | 1,557 |
| Page | 252 |
| Category | General |
| Part | |
| Title | How Hacksaw Blades are Made and Used. A description of the process employed in the manufacture of "Eclipse" hacksaw blades, and some practical notes on the uses of blades for various kinds of work |
| Author | |
| Notes | Blade types, testing blades, steel analysis, sheet steel, teeth milling, teeth setting, blade hardening, tempering, hardening flexible blades, high-speed steel blade heat treatment, hand hacksaws, power hacksaws, tooth pitches, light power blades, heavy |