| Year | 1960 |
| Date | 28-Apr |
| Volume | 122 |
| Issue | 3,068 |
| Page | 527 |
| Category | General |
| Part | |
| Title | Conversion tables for quick reference |
| Author | K.N.Harris |
| Notes | Scale constants and equivalents for 1 1/16in. : 1ft, leading dimensions equivalents, bolt stud screw equivalents |