| Year | 1938 |
| Date | 13-Oct |
| Volume | 79 |
| Issue | 1,953 |
| Page | 360 |
| Category | Metal-Craft in the School Workshop |
| Part | |
| Title | Pulley Gear for Experimental Mechanics |
| Author | Nathan Sharpe |
| Notes | Reamering the pulleys, small boring-tool, simple finishing reamer, making the axle pins, frames for the side-by-side blocks, bending the gin block frames, finish, strip bending jig, gantry, " a good hoist", ropes, cords and accessories |