Combined Coil and Flat Belt Friction Apparatus (Without Weights)

It consists of a pulley of 30 cms. Diameter with two grooves, one for rope and other for flat belt. At the back a circular sturdy wooden disc graduated at 10 degree intervals is provided. A rotating pulley is fixed at the circumference of the scale. Complete with one flat belt and a rope. The whole apparatus is mounted on a heavy vertical stand. Weights are not included.