A Stainless steel rod 1200mm long, 10mm dia, with one pair each of small and large brass and ebonite masses, two steel knife edges set in adjustable metal holders and a metal bracket with holes for wall mounting.
A Stainless steel rod 1200mm long, 10mm dia, with one pair each of small and large brass and ebonite masses, two steel knife edges set in adjustable metal holders and a metal bracket with holes for wall mounting.
