| Year | 1941 |
| Date | 15-May |
| Volume | 84 |
| Issue | 2,088 |
| Page | 390 |
| Category | Workshop |
| Part | |
| Title | Wrinkles |
| Author | F.C. |
| Notes | Use French chalk when grinding rubber & ebonite, turning papier mache, mount fine saws to cut on the "pull" stroke, lubricating high speed bearings, superheated steam pipe packing, drilling hard cast iron castings, wash hands in soda water to prevent rust |