| Year | 1931 |
| Date | 12-Feb |
| Volume | 64 |
| Issue | 1,553 |
| Page | 160 |
| Category | Workshop |
| Part | |
| Title | Eight Tips for the Workshop |
| Author | R.F.M.W. |
| Notes | To harden and temper small flat drills up to 1/4 in., drilling hard spots in iron and mild steel, making a tap cut an enlarged size, marking for metals, scribers, chisel handles, marking bottles, marking off for exact work. See MEW 8 49 |