| Year | 1950 |
| Date | 26-Jan |
| Volume | 102 |
| Issue | 2,540 |
| Page | 103 |
| Category | In The Workshop |
| Part | 55 |
| Title | Workshop Drawings |
| Author | "Duplex" |
| Notes | Drawing Instruments, pencils, ink, additional equipment, care and maintenance of equipment, sharpening drawing pens, artificial drying of drawings, hot air blower for drying ink drawings |