CAT NO: DIDACTICNLE-Export-220007
Polygon and Triangle Of Forces Apparatus- Engineering Lab Training Systems.
The black board is made of wood and fixed within a wooden slotted frame of over all size 75x70 ems. Four frictionless pulleys are adjustable in the slots of the frame and the frame is provided with suitable arrangement for fixing it to a wall. The unit is complete with four hangers and 24 iron nickelled slotted weights of 50gms each.