| Year | 1986 |
| Date | 19-Dec |
| Volume | 157 |
| Issue | 3,791 |
| Page | 704 |
| Category | Workshop |
| Part | 5 |
| Title | Spring Design and Manufacture |
| Author | Tubal Cain (T.D.Walshaw) |
| Notes | Winding coil springs, trial coils, hand winding, machine winding, a commercial winder, winding with power traverse, initial tension |