bids are invited for procurement of 33 lab instruments demonstration eye piece , double demonstration eye piece , stethoscope , stethoscopes, demonstration with multiple ear pieces , spirometer, ordinary manual , mosso s ergograph , compass aesthesiometer , thermo aesthesiometer , algometer , knee hammer , olfactometer , ophthalmoscope , schematic eye , color perception lantern edridge green , otoscope , tuning fork to test hearing , van slyke s apparatus manometric , venous pressure apparatus , douglas bag, complete , apparatus for passive movement , phakoscope , perimeter with charts lister s , maddox rod , newton s color wheel , sherrington starling kymograph electrically driven complete assembly , electromagnetic time marker , myograph stand , electronic stimulator , tuning fork time marker 100 per sec , electrodes , spirit l s , marey s tambour , step down transformers total quantity : 42