| Year | 1950 |
| Date | 09-Feb |
| Volume | 102 |
| Issue | 2,542 |
| Page | 178 |
| Category | In The Workshop |
| Part | 56 |
| Title | Workshop Drawings |
| Author | "Duplex" |
| Notes | General finish of drawings, shading drawings, shading of curved shoulders, exploded views, isometric drawings, use of the ellipse |