Bids Are invited for Upights of optical bench (with Lens / mirror holder) - Upights of optical bench (with Lens / mirror holder) , Upights of optical bench ( for optical needle) - Upights of optical bench ( for optical needle) , Optical needle for optical bench - Optical needle for optical bench , travelling microscope - travelling microscope , Concave mirror - Concave mirror , simple pendulum of same size but different masses ( different metals) (with hook) - simple pendulum of same size but different masses ( different metals) (with hook) , Copper wire ( for Electical Connection ( Electrical) in mtrs - Copper wire ( for Electical Connection ( Electrical) in mtrs , Crocodile clips - Crocodile clips , index needle for optical bench - index needle for optical bench , battery dry cell of 9v (duacell only) - battery dry cell of 9v (duacell only) , Plane Mirror strip - Plane Mirror strip , resistance box 500 Ohm - resistance box 500 Ohm , Battery Eliminator - Battery Eliminator , dip circle - dip circle , convex lens - convex lens , fractional weight box - fractional weight box , pn junction diode apparaturs - pn junction diode apparaturs , convex mirror - convex mirror , concave lens - concave lens , magnifying lens - magnifying lens , solenoid + soft iron - solenoid + soft iron , galvanometer - galvanometer , ammeter - ammeter , volt meter - volt meter , digital weighing scale - digital weighing scale , hot plate - hot plate , tripod stand - tripod stand , wash bottle - wash bottle , dropper (1) - dropper , stop watch - stop watch , P H paper - P H paper , universal indicator paper in packet ( 1 ) - universal indicator paper in packet , mortar pestle - mortar pestle , boiling testube - boiling testube , liquid detergent 500ml - liquid detergent 500ml , bottle cleaner brushes - bottle cleaner brushes , stop clock - stop clock , lead acetate - 500g LR GRADE , ferric choride - 500g LR GRADE , copper sulphate - 1000g LR GRADE , ferrous sulphate - 500g LR GRADE , ammonium