tender for supply of physics lab equipments , list of equipments , wheatstone bridge kit series arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge. for specifications refer nit , torsional pendulum torsional pendulum metallic disc, symmetrical masses and pendulum stand, steel wire. for specifications refer nit , compound bar pendulum one meter long iron strip well painted with holes at a distance of every 5 cm and also with pair of brackets and a heavy base table top stand with stop clock. for specifications refer nit