| Year | 1956 |
| Date | 07-Jun |
| Volume | 114 |
| Issue | 2,872 |
| Page | 953 |
| Category | Workshop |
| Part | |
| Title | Selective Auto Power Feed to the lathe cross-slide |
| Author | John D.Elam |
| Notes | Constructional details. Use for a king-pin, range of feeds, optional extras, negligible cost |