bids are invited for supply of physics lab items and drawing books simple pendulum stand - simple pendulam stand , spherical bob packet - steel or brass pendulum bob with hook of 18 mm and 25 mm , hookes law slotted weights - 5x10 g slotted weights ideal for physics and lab experiments requiring precise mass measurement and 5x20g slotted weights ideal for physics and lab experiments requiring precise mass measurement 10 pcs , stop clock mechanical - mechanical stop clockmaterial - metalstart -stop lever on left and zero reset lever on righttwo sweep hands one indicating seconds, the other recording minutes , voltmeter analog - range 0 to 5v , ammeter analog - range 0 to 5a , moving coil galvanometer analog - analog 30 to 0 to 30 20ua div , metre bridge - one meter long provided with four gaps two gaps plywood base and sumica top graduated scale constantan wire is stretched on top meter scale brass c.p. strip end gaps can be closed by removable brass strips and brass terminals are provided to reduce resistance , resistance box 1ohm to 500 ohm - resistance box 1 to 500 ohms brass plug type constantan coil 9mm thick brass block total quantity : 1182