| Year | 1950 |
| Date | 23-Mar |
| Volume | 102 |
| Issue | 2,548 |
| Page | 390 |
| Category | Lathe |
| Part | |
| Title | A Lathe Feed Gear-Box |
| Author | G.A.C.Lynch |
| Notes | Underside view showing built up operating levers, end view showing bearing for lead-screw, gear box in position, odd ratios, lever manipulation |