bids are invited for spectrometer , air wedge microscope , brewsters angle apparatus , laser beam characterestics , numerical aperture and acceptance angle , optoelectronics characterisation , e k using silicon , fermi enegy in copper , four probe apparatus band gap , hall effect apparatus , newtons law of cooling , thermal conductivity lees method , polarimeter glasstube - polarimeter and glasstube , force table , digital storage oscilloscope , semiconductor laser with stand , dimmerstat , sodium vapour lamp , mercury vapour lamp , katers pendulum , telescope , rheostat , resistance box , tangent galvanometer , energy gap of semiconductor , b-h curve , thermistor resistance variation kit , beer lamberts law , he ne laser , transformer with wooden case , transformer with wooden case , photoelectric effect plancks constant , absorption spectrum of solids and liquids , ic tester , dc fixed volt - 5v - dc fixed volt 5v , dc fixed volt -15v - dc fixed volt 15v , function generator total quantity : 79