bids are invited for physics visitor chairs , maxwells needle , surface tension , sonometer , sexatant , stefans constant , charging and discharging of rc and rcl circuits , maxwells bridge , wiens bridge , zener diode , tunnel diode , photo diode , characteristics of transistor , cathode ray oscilloscope cro , helmholtz coil , kelvins double bridge , self inductance by rayleigh method , carey foster bridge , earth inductor , tangent galvanometer , andersons bridge , ce, cb and cc amplifier , r c coupled amplifier , hartley oscillator , wiens bridge oscillator , fresnel biprism wavelength of sodium light , newtons ring wavelength of sodium light , plane diffraction grating resolving power , spectrometer dispersive power , polarisation specific rotation of sugar solution , wavelength of laser light using diffraction by single slit , study of and gate using ttl ic 7408 , study of or gate using ttl ic 7432 , study of nand gate using ttl ic 7400 , study of nor gate using ttl ic 7402 , study of not gate using ttl ic 7404 , study of ex or gate using ttl ic 7486 total quantity : 37