Full Specification ( Triangle & Parallelogram of Forces Apparatus ):
Having a wooden board made of wood and fixed within a wooden slotted frame of over all size 75x70 cms. Four frictionless pulleys are adjustable in the slots of the frame and frame is provided with suitable arrangement for fixing it to a wall. The unit is complete with four hangers and 16 iron nickelled slotted weight of 50 gms each. |