bids are invited for differential axle and wheel , simple screw jack , worm and worm wheel , single purchase crab winch , double purchase crab winch , westons differential worm geared pulley block , universal force table , friction apparatus for motion along horizontal and inclined plane , set up for belt friction apparatus , fly wheel apparatus , jib crane , single cylinder two stroke petrol engine rig. , single cylinder four stroke diesel engine test rig , single cylinder four stroke petrol engine test rig , air conditioning system test rig , refrigeration system test rig , hardness testing machine , different models of clutch , bench vice , carpentary vice , work bench , surface plate , grinder machine , arc welding machine equipment , oxy accetylene gas welding set up , hand saw 18 , mortise chisel , try square , marking gauge. , mortise gauge. , iron jack planner 12 , wooden jack planner 12 , equipment for thermal conductivity measurement of composite wall. , emissivity measurement apparatus , shell and tube heat exchanger total quantity : 132