WHEEL AND DIFFERENTIAL AXLE 20 CMS. DIA (Without Weights)
Consists of a cast iron machined wheel of 20 cms. dia with axle having diameters of 10 and 5 cms, respectively giving a ratio of 1 :2:4. A steel axle passes through the center of the wheel which is mounted on ball bearings in cast iron brackets. The base of the apparatus s has holes for fixing it on wall. Complete with snatch pulley block, cord and hooks but without weights.