bids are invited for labortory item planks constant by photo cell apparatus , behaviour of rc circuits for a c sources , determine the absorption coefficient of given solution , operational amplifier differentiator integrator , four probe method setup , r c transmission line 50 hz , lc transmission line , opto electronic device characteristics kit for led and photo device , sine square wave power supply , modulus of rigidity by statical vertical method , sodium lamp , multimeter digital , cutter , soldering rode , battery , diode si ge , thermistor characteristic , searles method , searles method wire set , maxwells needle , charging and discharging board , newtons ring method complete set up , pn junction diode , band gap to semi conductor diode , unijunction transistor ujt , table lamp , oscilloscope , prestige inductance plate , circular polarizer filter , mercury vapour lamp , u clips wire for lab purpose , 3 pin cable bnc , fuse small , fuse big , lead for four probe only , battery solution , transparent rubber tube , 02 pin cable bnc , polarimeter tube only , connecting leads black and red length 60cm , h2 tube , convex lens convex lens plane convex lens , eye pieces for microscope , insulating tape total quantity : 277