| Year | 1951 |
| Date | 08-Mar |
| Volume | 104 |
| Issue | 2,598 |
| Page | 332 |
| Category | In The Workshop |
| Part | 84 |
| Title | A Motor Drive for the 3 1/2-in. Drummond Lathe |
| Author | "Duplex" |
| Notes | The countershaft with its pulley and bearings, the belt-tensioning device, the belt rest, the upper and lower toggle levers, details, alternative form of fork |