Atwood Machine

Consists of a full length metal upright 245cm long graduated in cms, to be mounted vertically near a wall by means of two brackets. A light weight accurate frictionless wheel of 10cm dia is mounted on it's top. Three adjustable clamps move along the rod. Upper carrying a ring and lower carrying a platform and the third is equipped with electric release system. The unit is all metallic and complete with two sets of falling weights and rider weight.