It consists of a powder cotted steel bar of dimension 100* 3.75*0.6cm with a number of equidistant holes drilled along its length at equal intervals of 5cm. The pendulum is provided with two removable knife edges passing through any one of the holes. Complete with wall bracket.
A chrome plated brass bar of dimension 100*25*0.6cm. Bored of equal intervals of 5cm and provided with removable knife edge. Complete with wall bracket .
It consists of a stainless steel rod of 1meter long and 1.0cm diameter. The S.S. rod is marked with lines at equal distance of 5cm.Two circular removable knife edges are provided. Complete with wall bracket.