| Notes |
The lathe before & after conversion, the leading screw, details of alteration to plain lathe for screw-cutting, the sliding rest, undercutting the bed, front & back views of rack motion-plate, system of leading screw engagement, quick traverse, screw-cutting change-wheels, screw-cutting calculations, end view of the headstock, the motion plate, front slide and lead screw top bearing, the leading screw arrangement and fitting, the quadrant and end plates, details, the cam screw engagement action, the quick traverse, the left and right screw-cutting or feed and free position |