Bids Are Invited For Mechanical Engineering Labs - Screw Jack Apparatus With Weights Worm And Worm Wheel: Single With Weights Worm 2 And Worm Wheel: Double With Weights Worm 2 And Worm Wheel: Triple With Weights Wheel And Differential Axle 30 Cm With Weight Winch 2 Crab Single Purchase With Weight Winch 2 Crab Double Purchase With Weight Universal Force Table ( Normal ) Moment Of Inertia Of Flywheel-25 Cm With Weights Parallel Forces Apparatus ( Dial Type 10 Kg. Balance ) 2 Simply Supported Beam Apparatus With Weights Friction Slide Apparatus With Weight 2