For accurate determination of unknown resistance or comparison of resistance of two or more conductors. Decade dial type, with 6 dials (two dials having 4 ratio arms - one fraction and others in multiple of 1, 10, 100 and 10000) and four dials with decade resistance units, total more...
It consists of 12 pairs of Bismuth and Antimony bars joined together in series with insulation between them. The couples thus arranged are enclosed in a brass frame having two terminals connected to the Bismuth and Antimony poles. Complete with nickel plated brass cone and mountemore...