bids are invited for digital podium ruspberry-pi microcontroller for programming purpose ( 8051 ) trainer kit digital podium to find the m.a., v.r., efficiency and law of machine using single purchase crab win ch - manually operated to find the m.a., v.r., efficiency and law of machine using double purchase crab win ch - manually operated to find the m.a., v.r., efficiency and law of machine using worm and worm wheel. manually operated to find the m.a., v.r., efficiency and law of machine for differential axle and wheel. manually operated to find the m.a., v.r., efficiency and law of machine for simple screw jack. to determine coefficient of friction formation on horizontal plane to determine coefficient of friction formation on inclined plane. to determine resultant of concurrent force system graphically. manually operated to determine resultant of parallel force system graphically. manually operated to determine centroid of geometrical plane figures manually operated study forces in various members of jib crane manually operated time period of oscillation of a cantilever to verify kirchhoffs laws using electrical circuits to find resistance of a galvanometer by half deflection method to convert a galvanometer into an ammeter and a voltmeter to verify inverse square law of radiations using a photo electric cell to find radius of curvature of concave convex surface by spherometer spring constant by hooke s law co-efficient of static friction between wood and glass moment of inertia of a flywheel coefficient of linear expansion of a metal rod to determine resultant of concurrent force system graphically to verify lamis theorem total quantity : 86