| Year | 1937 |
| Date | 21-Oct |
| Volume | 77 |
| Issue | 1,902 |
| Page | 408 |
| Category | Metal-Craft in the School Workshop |
| Part | |
| Title | The Elements of Marking-Out |
| Author | Nathan Sharpe |
| Notes | Filing an edge straight, sheet and plate work, engineer's try-square, working from the reference edge, defective fitting of try-square blade to stock, testing squares, drawing lines parallel to an edge, cylindrical and surface plate test for try-squares |