bids are invited for compound balance physical , weight boxes , verniers callipers , spherometers , screw gauge , stop watches , inclined plane , grave sands apparatus , youngs modulus apparatus , traveling microscope , copper calorimeter , magnet bar spherical cylindrical shoe , compass needles , helical spring apparatus , slide wire bridge , potentiometer , one way two way keys , rheostat , resistance coils , drawing board , cylinder viscosity apparatus , standard cells , geometry boxes , van degraff generator working model , newton law of cooling apparatus , sonometer apparatus , ohms law apparatus , step down transformer for sonometer exp , pn junction characteristic apparatus , zener diode characteristic apparatus , multimeter digital , hooks law apparatus , extension board , parallelogram forces apparatus , iron helical slinky , iron stand and clamps , flate plate of brass zinc , blocks provided with hook , roller friction exp , alloy wires resistivity exp , screw driver , magnifying lens , split cork , pan , spring balance , surface tension apparatus , burner , rubber pad , resonance tube apparatus for sound , knittind needles , hydrochloric acid , sulphuric acid , nitric acid , ammonia solution , acetic acid glacial , acetone extra pure , iron fillings , aluminium sulphate , barium chloride , calcium hydroxide , calcium carbonate , copper metal turning , copper sulphate , dextrose glucose , ethanol , fehling solution a , fehling solution b , ferric chloride anhydrous , ferroous sulphate , formic acid 85 , iodine solution , magnesium sulphate , methyl orange solution , lime water , litmus solution blue , litmus solution red , lead acetate , oxalic acid , phenolphthaliene solution , starch , sulphur powder , silver nitrate solution n50 , 1 99starch , sulphur powder , silver nitrate solution n50 , pellets , sodium sulphate , universal indicator , zinc sulphate , zinc granules , label books , filter paper , litmus paper blue , litmus paper red , ph paper , compo